238904848

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 160

約数和(自身を含む): 604405760

約数和(自身を除く): 365500912

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 67, 79, 91, 104, 112, 124, 134, 158, 182, 208, 217, 248, 268, 316, 364, 403, 434, 469, 496, 536, 553, 632, 728, 806, 868, 871, 938, 1027, 1072, 1106, 1264, 1456, 1612, 1736, 1742, 1876, 2054, 2077, 2212, 2449, 2821, 3224, 3472, 3484, 3752, 4108, 4154, 4424, 4898, 5293, 5642, 6097, 6448, 6968, 7189, 7504, 8216, 8308, 8848, 9796, 10586, 11284, 12194, 13936, 14378, 14539, 16432, 16616, 17143, 19592, 21172, 22568, 24388, 27001, 28756, 29078, 31837, 33232, 34286, 37051, 39184, 42344, 45136, 48776, 54002, 57512, 58156, 63674, 68572, 68809, 74102, 84688, 97552, 108004, 115024, 116312, 127348, 137144, 137618, 148204, 164083, 189007, 216008, 222859, 232624, 254696, 274288, 275236, 296408, 328166, 378014, 432016, 445718, 481663, 509392, 550472, 592816, 656332, 756028, 891436, 963326, 1100944, 1148581, 1312664, 1512056, 1782872, 1926652, 2133079, 2297162, 2625328, 3024112, 3565744, 3853304, 4266158, 4594324, 7706608, 8532316, 9188648, 14931553, 17064632, 18377296, 29863106, 34129264, 59726212, 119452424, 238904848]

約数ペア:

[(1, 238904848), (2, 119452424), (4, 59726212), (7, 34129264), (8, 29863106), (13, 18377296), (14, 17064632), (16, 14931553), (26, 9188648), (28, 8532316), (31, 7706608), (52, 4594324), (56, 4266158), (62, 3853304), (67, 3565744), (79, 3024112), (91, 2625328), (104, 2297162), (112, 2133079), (124, 1926652), (134, 1782872), (158, 1512056), (182, 1312664), (208, 1148581), (217, 1100944), (248, 963326), (268, 891436), (316, 756028), (364, 656332), (403, 592816), (434, 550472), (469, 509392), (496, 481663), (536, 445718), (553, 432016), (632, 378014), (728, 328166), (806, 296408), (868, 275236), (871, 274288), (938, 254696), (1027, 232624), (1072, 222859), (1106, 216008), (1264, 189007), (1456, 164083), (1612, 148204), (1736, 137618), (1742, 137144), (1876, 127348), (2054, 116312), (2077, 115024), (2212, 108004), (2449, 97552), (2821, 84688), (3224, 74102), (3472, 68809), (3484, 68572), (3752, 63674), (4108, 58156), (4154, 57512), (4424, 54002), (4898, 48776), (5293, 45136), (5642, 42344), (6097, 39184), (6448, 37051), (6968, 34286), (7189, 33232), (7504, 31837), (8216, 29078), (8308, 28756), (8848, 27001), (9796, 24388), (10586, 22568), (11284, 21172), (12194, 19592), (13936, 17143), (14378, 16616), (14539, 16432)]