977777570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{4057}}^1$

素因数の和:4395

約数の個数: 64

約数和(自身を含む): 2201838336

約数和(自身を除く): 1224060766

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 313, 385, 626, 770, 1565, 2191, 3130, 3443, 4057, 4382, 6886, 8114, 10955, 17215, 20285, 21910, 24101, 28399, 34430, 40570, 44627, 48202, 56798, 89254, 120505, 141995, 223135, 241010, 283990, 312389, 446270, 624778, 1269841, 1561945, 2539682, 3123890, 6349205, 8888887, 12698410, 13968251, 17777774, 27936502, 44444435, 69841255, 88888870, 97777757, 139682510, 195555514, 488888785, 977777570]

約数ペア:

[(1, 977777570), (2, 488888785), (5, 195555514), (7, 139682510), (10, 97777757), (11, 88888870), (14, 69841255), (22, 44444435), (35, 27936502), (55, 17777774), (70, 13968251), (77, 12698410), (110, 8888887), (154, 6349205), (313, 3123890), (385, 2539682), (626, 1561945), (770, 1269841), (1565, 624778), (2191, 446270), (3130, 312389), (3443, 283990), (4057, 241010), (4382, 223135), (6886, 141995), (8114, 120505), (10955, 89254), (17215, 56798), (20285, 48202), (21910, 44627), (24101, 40570), (28399, 34430)]