388972675

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4621}}^1$

素因数の和:4688

約数の個数: 48

約数和(自身を含む): 609808192

約数和(自身を除く): 220835517

約数列:

[1, 5, 7, 13, 25, 35, 37, 65, 91, 175, 185, 259, 325, 455, 481, 925, 1295, 2275, 2405, 3367, 4621, 6475, 12025, 16835, 23105, 32347, 60073, 84175, 115525, 161735, 170977, 300365, 420511, 808675, 854885, 1196839, 1501825, 2102555, 2222701, 4274425, 5984195, 10512775, 11113505, 15558907, 29920975, 55567525, 77794535, 388972675]

約数ペア:

[(1, 388972675), (5, 77794535), (7, 55567525), (13, 29920975), (25, 15558907), (35, 11113505), (37, 10512775), (65, 5984195), (91, 4274425), (175, 2222701), (185, 2102555), (259, 1501825), (325, 1196839), (455, 854885), (481, 808675), (925, 420511), (1295, 300365), (2275, 170977), (2405, 161735), (3367, 115525), (4621, 84175), (6475, 60073), (12025, 32347), (16835, 23105)]