55154556

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 143763984

約数和(自身を除く): 88609428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 137, 159, 211, 212, 274, 318, 411, 422, 477, 548, 633, 636, 822, 844, 954, 1233, 1266, 1644, 1899, 1908, 2466, 2532, 3798, 4932, 7261, 7596, 11183, 14522, 21783, 22366, 28907, 29044, 33549, 43566, 44732, 57814, 65349, 67098, 86721, 87132, 100647, 115628, 130698, 134196, 173442, 201294, 260163, 261396, 346884, 402588, 520326, 1040652, 1532071, 3064142, 4596213, 6128284, 9192426, 13788639, 18384852, 27577278, 55154556]

約数ペア:

[(1, 55154556), (2, 27577278), (3, 18384852), (4, 13788639), (6, 9192426), (9, 6128284), (12, 4596213), (18, 3064142), (36, 1532071), (53, 1040652), (106, 520326), (137, 402588), (159, 346884), (211, 261396), (212, 260163), (274, 201294), (318, 173442), (411, 134196), (422, 130698), (477, 115628), (548, 100647), (633, 87132), (636, 86721), (822, 67098), (844, 65349), (954, 57814), (1233, 44732), (1266, 43566), (1644, 33549), (1899, 29044), (1908, 28907), (2466, 22366), (2532, 21783), (3798, 14522), (4932, 11183), (7261, 7596)]