851275984

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:505

約数の個数: 80

約数和(自身を含む): 1820595280

約数和(自身を除く): 969319296

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 169, 208, 244, 338, 397, 488, 676, 793, 794, 976, 1352, 1586, 1588, 2197, 2704, 3172, 3176, 4394, 5161, 6344, 6352, 8788, 10309, 10322, 12688, 17576, 20618, 20644, 24217, 35152, 41236, 41288, 48434, 67093, 82472, 82576, 96868, 134017, 134186, 164944, 193736, 268034, 268372, 314821, 387472, 536068, 536744, 629642, 872209, 1072136, 1073488, 1259284, 1744418, 2144272, 2518568, 3488836, 4092673, 5037136, 6977672, 8185346, 13955344, 16370692, 32741384, 53204749, 65482768, 106409498, 212818996, 425637992, 851275984]

約数ペア:

[(1, 851275984), (2, 425637992), (4, 212818996), (8, 106409498), (13, 65482768), (16, 53204749), (26, 32741384), (52, 16370692), (61, 13955344), (104, 8185346), (122, 6977672), (169, 5037136), (208, 4092673), (244, 3488836), (338, 2518568), (397, 2144272), (488, 1744418), (676, 1259284), (793, 1073488), (794, 1072136), (976, 872209), (1352, 629642), (1586, 536744), (1588, 536068), (2197, 387472), (2704, 314821), (3172, 268372), (3176, 268034), (4394, 193736), (5161, 164944), (6344, 134186), (6352, 134017), (8788, 96868), (10309, 82576), (10322, 82472), (12688, 67093), (17576, 48434), (20618, 41288), (20644, 41236), (24217, 35152)]