91156975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2357}}^1$

素因数の和:2404

約数の個数: 48

約数和(自身を含む): 147365568

約数和(自身を除く): 56208593

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 175, 221, 325, 425, 455, 595, 1105, 1547, 2275, 2357, 2975, 5525, 7735, 11785, 16499, 30641, 38675, 40069, 58925, 82495, 153205, 200345, 214487, 280483, 412475, 520897, 766025, 1001725, 1072435, 1402415, 2604485, 3646279, 5362175, 7012075, 13022425, 18231395, 91156975]

約数ペア:

[(1, 91156975), (5, 18231395), (7, 13022425), (13, 7012075), (17, 5362175), (25, 3646279), (35, 2604485), (65, 1402415), (85, 1072435), (91, 1001725), (119, 766025), (175, 520897), (221, 412475), (325, 280483), (425, 214487), (455, 200345), (595, 153205), (1105, 82495), (1547, 58925), (2275, 40069), (2357, 38675), (2975, 30641), (5525, 16499), (7735, 11785)]