787797790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{43597}}^1$

素因数の和:43756

約数の個数: 32

約数和(自身を含む): 1538137440

約数和(自身を除く): 750339650

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1807, 3614, 9035, 18070, 43597, 87194, 217985, 435970, 566761, 1133522, 2833805, 5667610, 6059983, 12119966, 30299915, 60599830, 78779779, 157559558, 393898895, 787797790]

約数ペア:

[(1, 787797790), (2, 393898895), (5, 157559558), (10, 78779779), (13, 60599830), (26, 30299915), (65, 12119966), (130, 6059983), (139, 5667610), (278, 2833805), (695, 1133522), (1390, 566761), (1807, 435970), (3614, 217985), (9035, 87194), (18070, 43597)]