127639850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1499}}^1$

素因数の和:1655

約数の個数: 48

約数和(自身を含む): 257796000

約数和(自身を除く): 130156150

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 131, 262, 325, 650, 655, 1310, 1499, 1703, 2998, 3275, 3406, 6550, 7495, 8515, 14990, 17030, 19487, 37475, 38974, 42575, 74950, 85150, 97435, 194870, 196369, 392738, 487175, 974350, 981845, 1963690, 2552797, 4909225, 5105594, 9818450, 12763985, 25527970, 63819925, 127639850]

約数ペア:

[(1, 127639850), (2, 63819925), (5, 25527970), (10, 12763985), (13, 9818450), (25, 5105594), (26, 4909225), (50, 2552797), (65, 1963690), (130, 981845), (131, 974350), (262, 487175), (325, 392738), (650, 196369), (655, 194870), (1310, 97435), (1499, 85150), (1703, 74950), (2998, 42575), (3275, 38974), (3406, 37475), (6550, 19487), (7495, 17030), (8515, 14990)]