31383690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80471}}^1$

素因数の和:80494

約数の個数: 32

約数和(自身を含む): 81115776

約数和(自身を除く): 49732086

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 80471, 160942, 241413, 402355, 482826, 804710, 1046123, 1207065, 2092246, 2414130, 3138369, 5230615, 6276738, 10461230, 15691845, 31383690]

約数ペア:

[(1, 31383690), (2, 15691845), (3, 10461230), (5, 6276738), (6, 5230615), (10, 3138369), (13, 2414130), (15, 2092246), (26, 1207065), (30, 1046123), (39, 804710), (65, 482826), (78, 402355), (130, 241413), (195, 160942), (390, 80471)]