287654928

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{23687}}^1$

素因数の和:23732

約数の個数: 80

約数和(自身を含む): 845945856

約数和(自身を除く): 558290928

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 33, 44, 46, 48, 66, 69, 88, 92, 132, 138, 176, 184, 253, 264, 276, 368, 506, 528, 552, 759, 1012, 1104, 1518, 2024, 3036, 4048, 6072, 12144, 23687, 47374, 71061, 94748, 142122, 189496, 260557, 284244, 378992, 521114, 544801, 568488, 781671, 1042228, 1089602, 1136976, 1563342, 1634403, 2084456, 2179204, 3126684, 3268806, 4168912, 4358408, 5992811, 6253368, 6537612, 8716816, 11985622, 12506736, 13075224, 17978433, 23971244, 26150448, 35956866, 47942488, 71913732, 95884976, 143827464, 287654928]

約数ペア:

[(1, 287654928), (2, 143827464), (3, 95884976), (4, 71913732), (6, 47942488), (8, 35956866), (11, 26150448), (12, 23971244), (16, 17978433), (22, 13075224), (23, 12506736), (24, 11985622), (33, 8716816), (44, 6537612), (46, 6253368), (48, 5992811), (66, 4358408), (69, 4168912), (88, 3268806), (92, 3126684), (132, 2179204), (138, 2084456), (176, 1634403), (184, 1563342), (253, 1136976), (264, 1089602), (276, 1042228), (368, 781671), (506, 568488), (528, 544801), (552, 521114), (759, 378992), (1012, 284244), (1104, 260557), (1518, 189496), (2024, 142122), (3036, 94748), (4048, 71061), (6072, 47374), (12144, 23687)]