290430088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{2801}}^1$

素因数の和:3817

約数の個数: 32

約数和(自身を含む): 587243160

約数和(自身を除く): 296813072

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 997, 1994, 2801, 3988, 5602, 7976, 11204, 12961, 22408, 25922, 36413, 51844, 72826, 103688, 145652, 291304, 2792597, 5585194, 11170388, 22340776, 36303761, 72607522, 145215044, 290430088]

約数ペア:

[(1, 290430088), (2, 145215044), (4, 72607522), (8, 36303761), (13, 22340776), (26, 11170388), (52, 5585194), (104, 2792597), (997, 291304), (1994, 145652), (2801, 103688), (3988, 72826), (5602, 51844), (7976, 36413), (11204, 25922), (12961, 22408)]