31988710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2389}}^1$

素因数の和:2512

約数の個数: 32

約数和(自身を含む): 62637120

約数和(自身を除く): 30648410

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 2389, 2678, 4778, 6695, 11945, 13390, 23890, 31057, 62114, 155285, 246067, 310570, 492134, 1230335, 2460670, 3198871, 6397742, 15994355, 31988710]

約数ペア:

[(1, 31988710), (2, 15994355), (5, 6397742), (10, 3198871), (13, 2460670), (26, 1230335), (65, 492134), (103, 310570), (130, 246067), (206, 155285), (515, 62114), (1030, 31057), (1339, 23890), (2389, 13390), (2678, 11945), (4778, 6695)]