28989912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4013}}^1$

素因数の和:4072

約数の個数: 64

約数和(自身を含む): 84775680

約数和(自身を除く): 55785768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 3612, 4013, 7224, 8026, 12039, 16052, 24078, 28091, 32104, 48156, 56182, 84273, 96312, 112364, 168546, 172559, 224728, 337092, 345118, 517677, 674184, 690236, 1035354, 1207913, 1380472, 2070708, 2415826, 3623739, 4141416, 4831652, 7247478, 9663304, 14494956, 28989912]

約数ペア:

[(1, 28989912), (2, 14494956), (3, 9663304), (4, 7247478), (6, 4831652), (7, 4141416), (8, 3623739), (12, 2415826), (14, 2070708), (21, 1380472), (24, 1207913), (28, 1035354), (42, 690236), (43, 674184), (56, 517677), (84, 345118), (86, 337092), (129, 224728), (168, 172559), (172, 168546), (258, 112364), (301, 96312), (344, 84273), (516, 56182), (602, 48156), (903, 32104), (1032, 28091), (1204, 24078), (1806, 16052), (2408, 12039), (3612, 8026), (4013, 7224)]