8400000016

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4157}}^1$

素因数の和:4241

約数の個数: 120

約数和(自身を含む): 18994409280

約数和(自身を除く): 10594409264

約数列:

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

約数ペア:

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