28715988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3319}}^1$

素因数の和:3436

約数の個数: 48

約数和(自身を含む): 77342720

約数和(自身を除く): 48626732

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 103, 206, 309, 412, 618, 721, 1236, 1442, 2163, 2884, 3319, 4326, 6638, 8652, 9957, 13276, 19914, 23233, 39828, 46466, 69699, 92932, 139398, 278796, 341857, 683714, 1025571, 1367428, 2051142, 2392999, 4102284, 4785998, 7178997, 9571996, 14357994, 28715988]

約数ペア:

[(1, 28715988), (2, 14357994), (3, 9571996), (4, 7178997), (6, 4785998), (7, 4102284), (12, 2392999), (14, 2051142), (21, 1367428), (28, 1025571), (42, 683714), (84, 341857), (103, 278796), (206, 139398), (309, 92932), (412, 69699), (618, 46466), (721, 39828), (1236, 23233), (1442, 19914), (2163, 13276), (2884, 9957), (3319, 8652), (4326, 6638)]