89813975

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:476

約数の個数: 36

約数和(自身を含む): 122426688

約数和(自身を除く): 32612713

約数列:

[1, 5, 17, 25, 31, 85, 155, 289, 401, 425, 527, 775, 1445, 2005, 2635, 6817, 7225, 8959, 10025, 12431, 13175, 34085, 44795, 62155, 115889, 170425, 211327, 223975, 310775, 579445, 1056635, 2897225, 3592559, 5283175, 17962795, 89813975]

約数ペア:

[(1, 89813975), (5, 17962795), (17, 5283175), (25, 3592559), (31, 2897225), (85, 1056635), (155, 579445), (289, 310775), (401, 223975), (425, 211327), (527, 170425), (775, 115889), (1445, 62155), (2005, 44795), (2635, 34085), (6817, 13175), (7225, 12431), (8959, 10025)]