16431380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{487}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 39680256

約数和(自身を除く): 23248876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 487, 964, 974, 1205, 1687, 1948, 2410, 2435, 3374, 3409, 4820, 4870, 6748, 6818, 8435, 9740, 13636, 16870, 17045, 33740, 34090, 68180, 117367, 234734, 469468, 586835, 821569, 1173670, 1643138, 2347340, 3286276, 4107845, 8215690, 16431380]

約数ペア:

[(1, 16431380), (2, 8215690), (4, 4107845), (5, 3286276), (7, 2347340), (10, 1643138), (14, 1173670), (20, 821569), (28, 586835), (35, 469468), (70, 234734), (140, 117367), (241, 68180), (482, 34090), (487, 33740), (964, 17045), (974, 16870), (1205, 13636), (1687, 9740), (1948, 8435), (2410, 6818), (2435, 6748), (3374, 4870), (3409, 4820)]