131478518

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{521}}^1$

素因数の和:800

約数の個数: 32

約数和(自身を含む): 216108000

約数和(自身を除く): 84629482

約数列:

[1, 2, 19, 29, 38, 58, 229, 458, 521, 551, 1042, 1102, 4351, 6641, 8702, 9899, 13282, 15109, 19798, 30218, 119309, 126179, 238618, 252358, 287071, 574142, 2266871, 3459961, 4533742, 6919922, 65739259, 131478518]

約数ペア:

[(1, 131478518), (2, 65739259), (19, 6919922), (29, 4533742), (38, 3459961), (58, 2266871), (229, 574142), (458, 287071), (521, 252358), (551, 238618), (1042, 126179), (1102, 119309), (4351, 30218), (6641, 19798), (8702, 15109), (9899, 13282)]