2207811775

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{3989}}^1$

素因数の和:4156

約数の個数: 36

約数和(自身を含む): 2987855640

約数和(自身を除く): 780043865

約数列:

[1, 5, 13, 25, 65, 131, 169, 325, 655, 845, 1703, 3275, 3989, 4225, 8515, 19945, 22139, 42575, 51857, 99725, 110695, 259285, 522559, 553475, 674141, 1296425, 2612795, 3370705, 6793267, 13063975, 16853525, 33966335, 88312471, 169831675, 441562355, 2207811775]

約数ペア:

[(1, 2207811775), (5, 441562355), (13, 169831675), (25, 88312471), (65, 33966335), (131, 16853525), (169, 13063975), (325, 6793267), (655, 3370705), (845, 2612795), (1703, 1296425), (3275, 674141), (3989, 553475), (4225, 522559), (8515, 259285), (19945, 110695), (22139, 99725), (42575, 51857)]