87128644

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{71}}^2\times {\mathrm{149}}^1$

素因数の和:324

約数の個数: 36

約数和(自身を含む): 161059500

約数和(自身を除く): 73930856

約数列:

[1, 2, 4, 29, 58, 71, 116, 142, 149, 284, 298, 596, 2059, 4118, 4321, 5041, 8236, 8642, 10082, 10579, 17284, 20164, 21158, 42316, 146189, 292378, 306791, 584756, 613582, 751109, 1227164, 1502218, 3004436, 21782161, 43564322, 87128644]

約数ペア:

[(1, 87128644), (2, 43564322), (4, 21782161), (29, 3004436), (58, 1502218), (71, 1227164), (116, 751109), (142, 613582), (149, 584756), (284, 306791), (298, 292378), (596, 146189), (2059, 42316), (4118, 21158), (4321, 20164), (5041, 17284), (8236, 10579), (8642, 10082)]