201791525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 281221584

約数和(自身を除く): 79430059

約数列:

[1, 5, 13, 25, 37, 65, 97, 173, 185, 325, 481, 485, 865, 925, 1261, 2249, 2405, 2425, 3589, 4325, 6305, 6401, 11245, 12025, 16781, 17945, 31525, 32005, 46657, 56225, 83213, 83905, 89725, 160025, 218153, 233285, 416065, 419525, 620897, 1090765, 1166425, 2080325, 3104485, 5453825, 8071661, 15522425, 40358305, 201791525]

約数ペア:

[(1, 201791525), (5, 40358305), (13, 15522425), (25, 8071661), (37, 5453825), (65, 3104485), (97, 2080325), (173, 1166425), (185, 1090765), (325, 620897), (481, 419525), (485, 416065), (865, 233285), (925, 218153), (1261, 160025), (2249, 89725), (2405, 83905), (2425, 83213), (3589, 56225), (4325, 46657), (6305, 32005), (6401, 31525), (11245, 17945), (12025, 16781)]