90389768

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{22111}}^1$

素因数の和:22197

約数の個数: 32

約数和(自身を含む): 196354560

約数和(自身を除く): 105964792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 22111, 44222, 88444, 154777, 176888, 309554, 619108, 1238216, 1614103, 3228206, 6456412, 11298721, 12912824, 22597442, 45194884, 90389768]

約数ペア:

[(1, 90389768), (2, 45194884), (4, 22597442), (7, 12912824), (8, 11298721), (14, 6456412), (28, 3228206), (56, 1614103), (73, 1238216), (146, 619108), (292, 309554), (511, 176888), (584, 154777), (1022, 88444), (2044, 44222), (4088, 22111)]