89978984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{1163}}^1$

素因数の和:1697

約数の個数: 32

約数和(自身を含む): 178092000

約数和(自身を除く): 88113016

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 509, 1018, 1163, 2036, 2326, 4072, 4652, 9304, 9671, 19342, 22097, 38684, 44194, 77368, 88388, 176776, 591967, 1183934, 2367868, 4735736, 11247373, 22494746, 44989492, 89978984]

約数ペア:

[(1, 89978984), (2, 44989492), (4, 22494746), (8, 11247373), (19, 4735736), (38, 2367868), (76, 1183934), (152, 591967), (509, 176776), (1018, 88388), (1163, 77368), (2036, 44194), (2326, 38684), (4072, 22097), (4652, 19342), (9304, 9671)]