31563870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80933}}^1$

素因数の和:80956

約数の個数: 32

約数和(自身を含む): 81581472

約数和(自身を除く): 50017602

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 80933, 161866, 242799, 404665, 485598, 809330, 1052129, 1213995, 2104258, 2427990, 3156387, 5260645, 6312774, 10521290, 15781935, 31563870]

約数ペア:

[(1, 31563870), (2, 15781935), (3, 10521290), (5, 6312774), (6, 5260645), (10, 3156387), (13, 2427990), (15, 2104258), (26, 1213995), (30, 1052129), (39, 809330), (65, 485598), (78, 404665), (130, 242799), (195, 161866), (390, 80933)]