686807896

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{32507}}^1$

素因数の和:32671

約数の個数: 32

約数和(自身を含む): 1365336000

約数和(自身を除く): 678528104

約数列:

[1, 2, 4, 8, 19, 38, 76, 139, 152, 278, 556, 1112, 2641, 5282, 10564, 21128, 32507, 65014, 130028, 260056, 617633, 1235266, 2470532, 4518473, 4941064, 9036946, 18073892, 36147784, 85850987, 171701974, 343403948, 686807896]

約数ペア:

[(1, 686807896), (2, 343403948), (4, 171701974), (8, 85850987), (19, 36147784), (38, 18073892), (76, 9036946), (139, 4941064), (152, 4518473), (278, 2470532), (556, 1235266), (1112, 617633), (2641, 260056), (5282, 130028), (10564, 65014), (21128, 32507)]