197717975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{373}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 303855552

約数和(自身を除く): 106137577

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 233, 325, 373, 455, 1165, 1631, 1865, 2275, 2611, 3029, 4849, 5825, 8155, 9325, 13055, 15145, 21203, 24245, 33943, 40775, 65275, 75725, 86909, 106015, 121225, 169715, 434545, 530075, 608363, 848575, 1129817, 2172725, 3041815, 5649085, 7908719, 15209075, 28245425, 39543595, 197717975]

約数ペア:

[(1, 197717975), (5, 39543595), (7, 28245425), (13, 15209075), (25, 7908719), (35, 5649085), (65, 3041815), (91, 2172725), (175, 1129817), (233, 848575), (325, 608363), (373, 530075), (455, 434545), (1165, 169715), (1631, 121225), (1865, 106015), (2275, 86909), (2611, 75725), (3029, 65275), (4849, 40775), (5825, 33943), (8155, 24245), (9325, 21203), (13055, 15145)]