28987908

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 69888000

約数和(自身を除く): 40900092

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 103, 141, 188, 206, 282, 309, 412, 499, 564, 618, 998, 1236, 1497, 1996, 2994, 4841, 5988, 9682, 14523, 19364, 23453, 29046, 46906, 51397, 58092, 70359, 93812, 102794, 140718, 154191, 205588, 281436, 308382, 616764, 2415659, 4831318, 7246977, 9662636, 14493954, 28987908]

約数ペア:

[(1, 28987908), (2, 14493954), (3, 9662636), (4, 7246977), (6, 4831318), (12, 2415659), (47, 616764), (94, 308382), (103, 281436), (141, 205588), (188, 154191), (206, 140718), (282, 102794), (309, 93812), (412, 70359), (499, 58092), (564, 51397), (618, 46906), (998, 29046), (1236, 23453), (1497, 19364), (1996, 14523), (2994, 9682), (4841, 5988)]