28239948

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^2\times {\mathrm{2161}}^1$

素因数の和:2196

約数の個数: 72

約数和(自身を含む): 80512880

約数和(自身を除く): 52272932

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 121, 132, 198, 242, 297, 363, 396, 484, 594, 726, 1089, 1188, 1452, 2161, 2178, 3267, 4322, 4356, 6483, 6534, 8644, 12966, 13068, 19449, 23771, 25932, 38898, 47542, 58347, 71313, 77796, 95084, 116694, 142626, 213939, 233388, 261481, 285252, 427878, 522962, 641817, 784443, 855756, 1045924, 1283634, 1568886, 2353329, 2567268, 3137772, 4706658, 7059987, 9413316, 14119974, 28239948]

約数ペア:

[(1, 28239948), (2, 14119974), (3, 9413316), (4, 7059987), (6, 4706658), (9, 3137772), (11, 2567268), (12, 2353329), (18, 1568886), (22, 1283634), (27, 1045924), (33, 855756), (36, 784443), (44, 641817), (54, 522962), (66, 427878), (99, 285252), (108, 261481), (121, 233388), (132, 213939), (198, 142626), (242, 116694), (297, 95084), (363, 77796), (396, 71313), (484, 58347), (594, 47542), (726, 38898), (1089, 25932), (1188, 23771), (1452, 19449), (2161, 13068), (2178, 12966), (3267, 8644), (4322, 6534), (4356, 6483)]