91172725

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 134741376

約数和(自身を除く): 43568651

約数列:

[1, 5, 7, 25, 35, 41, 97, 131, 175, 205, 287, 485, 655, 679, 917, 1025, 1435, 2425, 3275, 3395, 3977, 4585, 5371, 7175, 12707, 16975, 19885, 22925, 26855, 27839, 37597, 63535, 88949, 99425, 134275, 139195, 187985, 317675, 444745, 520987, 695975, 939925, 2223725, 2604935, 3646909, 13024675, 18234545, 91172725]

約数ペア:

[(1, 91172725), (5, 18234545), (7, 13024675), (25, 3646909), (35, 2604935), (41, 2223725), (97, 939925), (131, 695975), (175, 520987), (205, 444745), (287, 317675), (485, 187985), (655, 139195), (679, 134275), (917, 99425), (1025, 88949), (1435, 63535), (2425, 37597), (3275, 27839), (3395, 26855), (3977, 22925), (4585, 19885), (5371, 16975), (7175, 12707)]