56578428

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{457}}^1$

素因数の和:667

約数の個数: 72

約数和(自身を含む): 151707920

約数和(自身を除く): 95129492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 181, 228, 342, 362, 457, 543, 684, 724, 914, 1086, 1371, 1629, 1828, 2172, 2742, 3258, 3439, 4113, 5484, 6516, 6878, 8226, 8683, 10317, 13756, 16452, 17366, 20634, 26049, 30951, 34732, 41268, 52098, 61902, 78147, 82717, 104196, 123804, 156294, 165434, 248151, 312588, 330868, 496302, 744453, 992604, 1488906, 1571623, 2977812, 3143246, 4714869, 6286492, 9429738, 14144607, 18859476, 28289214, 56578428]

約数ペア:

[(1, 56578428), (2, 28289214), (3, 18859476), (4, 14144607), (6, 9429738), (9, 6286492), (12, 4714869), (18, 3143246), (19, 2977812), (36, 1571623), (38, 1488906), (57, 992604), (76, 744453), (114, 496302), (171, 330868), (181, 312588), (228, 248151), (342, 165434), (362, 156294), (457, 123804), (543, 104196), (684, 82717), (724, 78147), (914, 61902), (1086, 52098), (1371, 41268), (1629, 34732), (1828, 30951), (2172, 26049), (2742, 20634), (3258, 17366), (3439, 16452), (4113, 13756), (5484, 10317), (6516, 8683), (6878, 8226)]