123423690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{316471}}^1$

素因数の和:316494

約数の個数: 32

約数和(自身を含む): 319003776

約数和(自身を除く): 195580086

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 316471, 632942, 949413, 1582355, 1898826, 3164710, 4114123, 4747065, 8228246, 9494130, 12342369, 20570615, 24684738, 41141230, 61711845, 123423690]

約数ペア:

[(1, 123423690), (2, 61711845), (3, 41141230), (5, 24684738), (6, 20570615), (10, 12342369), (13, 9494130), (15, 8228246), (26, 4747065), (30, 4114123), (39, 3164710), (65, 1898826), (78, 1582355), (130, 949413), (195, 632942), (390, 316471)]