266553690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{683471}}^1$

素因数の和:683494

約数の個数: 32

約数和(自身を含む): 688939776

約数和(自身を除く): 422386086

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 683471, 1366942, 2050413, 3417355, 4100826, 6834710, 8885123, 10252065, 17770246, 20504130, 26655369, 44425615, 53310738, 88851230, 133276845, 266553690]

約数ペア:

[(1, 266553690), (2, 133276845), (3, 88851230), (5, 53310738), (6, 44425615), (10, 26655369), (13, 20504130), (15, 17770246), (26, 10252065), (30, 8885123), (39, 6834710), (65, 4100826), (78, 3417355), (130, 2050413), (195, 1366942), (390, 683471)]