397483705

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{971}}^1$

素因数の和:1165

約数の個数: 32

約数和(自身を含む): 522547200

約数和(自身を除く): 125063495

約数列:

[1, 5, 19, 31, 95, 139, 155, 589, 695, 971, 2641, 2945, 4309, 4855, 13205, 18449, 21545, 30101, 81871, 92245, 134969, 150505, 409355, 571919, 674845, 2564411, 2859595, 4184039, 12822055, 20920195, 79496741, 397483705]

約数ペア:

[(1, 397483705), (5, 79496741), (19, 20920195), (31, 12822055), (95, 4184039), (139, 2859595), (155, 2564411), (589, 674845), (695, 571919), (971, 409355), (2641, 150505), (2945, 134969), (4309, 92245), (4855, 81871), (13205, 30101), (18449, 21545)]