90145748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{541}}^2$

素因数の和:1104

約数の個数: 36

約数和(自身を含む): 197045856

約数和(自身を除く): 106900108

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 541, 1082, 2164, 3787, 5951, 7574, 11902, 15148, 23804, 41657, 83314, 166628, 292681, 585362, 1170724, 2048767, 3219491, 4097534, 6438982, 8195068, 12877964, 22536437, 45072874, 90145748]

約数ペア:

[(1, 90145748), (2, 45072874), (4, 22536437), (7, 12877964), (11, 8195068), (14, 6438982), (22, 4097534), (28, 3219491), (44, 2048767), (77, 1170724), (154, 585362), (308, 292681), (541, 166628), (1082, 83314), (2164, 41657), (3787, 23804), (5951, 15148), (7574, 11902)]