127816390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{1427}}^1$

素因数の和:1513

約数の個数: 48

約数和(自身を含む): 254006928

約数和(自身を除く): 126190538

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 169, 265, 338, 530, 689, 845, 1378, 1427, 1690, 2854, 3445, 6890, 7135, 8957, 14270, 17914, 18551, 37102, 44785, 75631, 89570, 92755, 151262, 185510, 241163, 378155, 482326, 756310, 983203, 1205815, 1966406, 2411630, 4916015, 9832030, 12781639, 25563278, 63908195, 127816390]

約数ペア:

[(1, 127816390), (2, 63908195), (5, 25563278), (10, 12781639), (13, 9832030), (26, 4916015), (53, 2411630), (65, 1966406), (106, 1205815), (130, 983203), (169, 756310), (265, 482326), (338, 378155), (530, 241163), (689, 185510), (845, 151262), (1378, 92755), (1427, 89570), (1690, 75631), (2854, 44785), (3445, 37102), (6890, 18551), (7135, 17914), (8957, 14270)]