13394780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 32362176

約数和(自身を除く): 18967396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 397, 482, 794, 964, 1205, 1588, 1687, 1985, 2410, 2779, 3374, 3970, 4820, 5558, 6748, 7940, 8435, 11116, 13895, 16870, 27790, 33740, 55580, 95677, 191354, 382708, 478385, 669739, 956770, 1339478, 1913540, 2678956, 3348695, 6697390, 13394780]

約数ペア:

[(1, 13394780), (2, 6697390), (4, 3348695), (5, 2678956), (7, 1913540), (10, 1339478), (14, 956770), (20, 669739), (28, 478385), (35, 382708), (70, 191354), (140, 95677), (241, 55580), (397, 33740), (482, 27790), (794, 16870), (964, 13895), (1205, 11116), (1588, 8435), (1687, 7940), (1985, 6748), (2410, 5558), (2779, 4820), (3374, 3970)]