888889768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4127}}^1$

素因数の和:4274

約数の個数: 64

約数和(自身を含む): 1907136000

約数和(自身を除く): 1018246232

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 109, 152, 218, 247, 436, 494, 872, 988, 1417, 1976, 2071, 2834, 4127, 4142, 5668, 8254, 8284, 11336, 16508, 16568, 26923, 33016, 53651, 53846, 78413, 107302, 107692, 156826, 214604, 215384, 313652, 429208, 449843, 627304, 899686, 1019369, 1799372, 2038738, 3598744, 4077476, 5847959, 8154952, 8547017, 11695918, 17094034, 23391836, 34188068, 46783672, 68376136, 111111221, 222222442, 444444884, 888889768]

約数ペア:

[(1, 888889768), (2, 444444884), (4, 222222442), (8, 111111221), (13, 68376136), (19, 46783672), (26, 34188068), (38, 23391836), (52, 17094034), (76, 11695918), (104, 8547017), (109, 8154952), (152, 5847959), (218, 4077476), (247, 3598744), (436, 2038738), (494, 1799372), (872, 1019369), (988, 899686), (1417, 627304), (1976, 449843), (2071, 429208), (2834, 313652), (4127, 215384), (4142, 214604), (5668, 156826), (8254, 107692), (8284, 107302), (11336, 78413), (16508, 53846), (16568, 53651), (26923, 33016)]