90147978

素因数分解:

$2^1\times 3^4\times {\mathrm{241}}^1\times {\mathrm{2309}}^1$

素因数の和:2564

約数の個数: 40

約数和(自身を含む): 202924260

約数和(自身を除く): 112776282

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 241, 482, 723, 1446, 2169, 2309, 4338, 4618, 6507, 6927, 13014, 13854, 19521, 20781, 39042, 41562, 62343, 124686, 187029, 374058, 556469, 1112938, 1669407, 3338814, 5008221, 10016442, 15024663, 30049326, 45073989, 90147978]

約数ペア:

[(1, 90147978), (2, 45073989), (3, 30049326), (6, 15024663), (9, 10016442), (18, 5008221), (27, 3338814), (54, 1669407), (81, 1112938), (162, 556469), (241, 374058), (482, 187029), (723, 124686), (1446, 62343), (2169, 41562), (2309, 39042), (4338, 20781), (4618, 19521), (6507, 13854), (6927, 13014)]