16800000032

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4157}}^1$

素因数の和:4243

約数の個数: 144

約数和(自身を含む): 38601541440

約数和(自身を除く): 21801541408

約数列:

[1, 2, 4, 8, 16, 17, 19, 23, 32, 34, 38, 46, 68, 76, 92, 136, 152, 184, 272, 289, 304, 323, 368, 391, 437, 544, 578, 608, 646, 736, 782, 874, 1156, 1292, 1564, 1748, 2312, 2584, 3128, 3496, 4157, 4624, 5168, 5491, 6256, 6647, 6992, 7429, 8314, 9248, 10336, 10982, 12512, 13294, 13984, 14858, 16628, 21964, 26588, 29716, 33256, 43928, 53176, 59432, 66512, 70669, 78983, 87856, 95611, 106352, 118864, 126293, 133024, 141338, 157966, 175712, 191222, 212704, 237728, 252586, 282676, 315932, 382444, 505172, 565352, 631864, 764888, 1010344, 1130704, 1201373, 1263728, 1342711, 1529776, 1625387, 1816609, 2020688, 2261408, 2402746, 2527456, 2685422, 3059552, 3250774, 3633218, 4041376, 4805492, 5370844, 6501548, 7266436, 9610984, 10741688, 13003096, 14532872, 19221968, 21483376, 22826087, 26006192, 27631579, 29065744, 30882353, 38443936, 42966752, 45652174, 52012384, 55263158, 58131488, 61764706, 91304348, 110526316, 123529412, 182608696, 221052632, 247058824, 365217392, 442105264, 494117648, 525000001, 730434784, 884210528, 988235296, 1050000002, 2100000004, 4200000008, 8400000016, 16800000032]

約数ペア:

[(1, 16800000032), (2, 8400000016), (4, 4200000008), (8, 2100000004), (16, 1050000002), (17, 988235296), (19, 884210528), (23, 730434784), (32, 525000001), (34, 494117648), (38, 442105264), (46, 365217392), (68, 247058824), (76, 221052632), (92, 182608696), (136, 123529412), (152, 110526316), (184, 91304348), (272, 61764706), (289, 58131488), (304, 55263158), (323, 52012384), (368, 45652174), (391, 42966752), (437, 38443936), (544, 30882353), (578, 29065744), (608, 27631579), (646, 26006192), (736, 22826087), (782, 21483376), (874, 19221968), (1156, 14532872), (1292, 13003096), (1564, 10741688), (1748, 9610984), (2312, 7266436), (2584, 6501548), (3128, 5370844), (3496, 4805492), (4157, 4041376), (4624, 3633218), (5168, 3250774), (5491, 3059552), (6256, 2685422), (6647, 2527456), (6992, 2402746), (7429, 2261408), (8314, 2020688), (9248, 1816609), (10336, 1625387), (10982, 1529776), (12512, 1342711), (13294, 1263728), (13984, 1201373), (14858, 1130704), (16628, 1010344), (21964, 764888), (26588, 631864), (29716, 565352), (33256, 505172), (43928, 382444), (53176, 315932), (59432, 282676), (66512, 252586), (70669, 237728), (78983, 212704), (87856, 191222), (95611, 175712), (106352, 157966), (118864, 141338), (126293, 133024)]