17428775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 27331584

約数和(自身を除く): 9902809

約数列:

[1, 5, 7, 13, 25, 35, 47, 65, 91, 163, 175, 235, 325, 329, 455, 611, 815, 1141, 1175, 1645, 2119, 2275, 3055, 4075, 4277, 5705, 7661, 8225, 10595, 14833, 15275, 21385, 28525, 38305, 52975, 53627, 74165, 99593, 106925, 191525, 268135, 370825, 497965, 697151, 1340675, 2489825, 3485755, 17428775]

約数ペア:

[(1, 17428775), (5, 3485755), (7, 2489825), (13, 1340675), (25, 697151), (35, 497965), (47, 370825), (65, 268135), (91, 191525), (163, 106925), (175, 99593), (235, 74165), (325, 53627), (329, 52975), (455, 38305), (611, 28525), (815, 21385), (1141, 15275), (1175, 14833), (1645, 10595), (2119, 8225), (2275, 7661), (3055, 5705), (4075, 4277)]