28583890

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 52752384

約数和(自身を除く): 24168494

約数列:

[1, 2, 5, 10, 71, 127, 142, 254, 317, 355, 634, 635, 710, 1270, 1585, 3170, 9017, 18034, 22507, 40259, 45014, 45085, 80518, 90170, 112535, 201295, 225070, 402590, 2858389, 5716778, 14291945, 28583890]

約数ペア:

[(1, 28583890), (2, 14291945), (5, 5716778), (10, 2858389), (71, 402590), (127, 225070), (142, 201295), (254, 112535), (317, 90170), (355, 80518), (634, 45085), (635, 45014), (710, 40259), (1270, 22507), (1585, 18034), (3170, 9017)]