639472416

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{55051}}^1$

素因数の和:55086

約数の個数: 72

約数和(自身を含む): 1845122832

約数和(自身を除く): 1205650416

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 121, 132, 176, 242, 264, 352, 363, 484, 528, 726, 968, 1056, 1452, 1936, 2904, 3872, 5808, 11616, 55051, 110102, 165153, 220204, 330306, 440408, 605561, 660612, 880816, 1211122, 1321224, 1761632, 1816683, 2422244, 2642448, 3633366, 4844488, 5284896, 6661171, 7266732, 9688976, 13322342, 14533464, 19377952, 19983513, 26644684, 29066928, 39967026, 53289368, 58133856, 79934052, 106578736, 159868104, 213157472, 319736208, 639472416]

約数ペア:

[(1, 639472416), (2, 319736208), (3, 213157472), (4, 159868104), (6, 106578736), (8, 79934052), (11, 58133856), (12, 53289368), (16, 39967026), (22, 29066928), (24, 26644684), (32, 19983513), (33, 19377952), (44, 14533464), (48, 13322342), (66, 9688976), (88, 7266732), (96, 6661171), (121, 5284896), (132, 4844488), (176, 3633366), (242, 2642448), (264, 2422244), (352, 1816683), (363, 1761632), (484, 1321224), (528, 1211122), (726, 880816), (968, 660612), (1056, 605561), (1452, 440408), (1936, 330306), (2904, 220204), (3872, 165153), (5808, 110102), (11616, 55051)]