28704852

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:613

約数の個数: 72

約数和(自身を含む): 79803360

約数和(自身を除く): 51098508

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 173, 198, 346, 396, 419, 519, 692, 838, 1038, 1257, 1557, 1676, 1903, 2076, 2514, 3114, 3771, 3806, 4609, 5028, 5709, 6228, 7542, 7612, 9218, 11418, 13827, 15084, 17127, 18436, 22836, 27654, 34254, 41481, 55308, 68508, 72487, 82962, 144974, 165924, 217461, 289948, 434922, 652383, 797357, 869844, 1304766, 1594714, 2392071, 2609532, 3189428, 4784142, 7176213, 9568284, 14352426, 28704852]

約数ペア:

[(1, 28704852), (2, 14352426), (3, 9568284), (4, 7176213), (6, 4784142), (9, 3189428), (11, 2609532), (12, 2392071), (18, 1594714), (22, 1304766), (33, 869844), (36, 797357), (44, 652383), (66, 434922), (99, 289948), (132, 217461), (173, 165924), (198, 144974), (346, 82962), (396, 72487), (419, 68508), (519, 55308), (692, 41481), (838, 34254), (1038, 27654), (1257, 22836), (1557, 18436), (1676, 17127), (1903, 15084), (2076, 13827), (2514, 11418), (3114, 9218), (3771, 7612), (3806, 7542), (4609, 6228), (5028, 5709)]