28531188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2633}}^1$

素因数の和:2693

約数の個数: 72

約数和(自身を含む): 84372288

約数和(自身を除く): 55841100

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2633, 2709, 3612, 5266, 5418, 7899, 10532, 10836, 15798, 18431, 23697, 31596, 36862, 47394, 55293, 73724, 94788, 110586, 113219, 165879, 221172, 226438, 331758, 339657, 452876, 663516, 679314, 792533, 1018971, 1358628, 1585066, 2037942, 2377599, 3170132, 4075884, 4755198, 7132797, 9510396, 14265594, 28531188]

約数ペア:

[(1, 28531188), (2, 14265594), (3, 9510396), (4, 7132797), (6, 4755198), (7, 4075884), (9, 3170132), (12, 2377599), (14, 2037942), (18, 1585066), (21, 1358628), (28, 1018971), (36, 792533), (42, 679314), (43, 663516), (63, 452876), (84, 339657), (86, 331758), (126, 226438), (129, 221172), (172, 165879), (252, 113219), (258, 110586), (301, 94788), (387, 73724), (516, 55293), (602, 47394), (774, 36862), (903, 31596), (1204, 23697), (1548, 18431), (1806, 15798), (2633, 10836), (2709, 10532), (3612, 7899), (5266, 5418)]