81436936

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{653}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 186468480

約数和(自身を除く): 105031544

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 131, 136, 238, 262, 476, 524, 653, 917, 952, 1048, 1306, 1834, 2227, 2612, 3668, 4454, 4571, 5224, 7336, 8908, 9142, 11101, 15589, 17816, 18284, 22202, 31178, 36568, 44404, 62356, 77707, 85543, 88808, 124712, 155414, 171086, 310828, 342172, 598801, 621656, 684344, 1197602, 1454231, 2395204, 2908462, 4790408, 5816924, 10179617, 11633848, 20359234, 40718468, 81436936]

約数ペア:

[(1, 81436936), (2, 40718468), (4, 20359234), (7, 11633848), (8, 10179617), (14, 5816924), (17, 4790408), (28, 2908462), (34, 2395204), (56, 1454231), (68, 1197602), (119, 684344), (131, 621656), (136, 598801), (238, 342172), (262, 310828), (476, 171086), (524, 155414), (653, 124712), (917, 88808), (952, 85543), (1048, 77707), (1306, 62356), (1834, 44404), (2227, 36568), (2612, 31178), (3668, 22202), (4454, 18284), (4571, 17816), (5224, 15589), (7336, 11101), (8908, 9142)]