673670404

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{13781}}^1$

素因数の和:13908

約数の個数: 36

約数和(自身を含む): 1308766284

約数和(自身を除く): 635095880

約数列:

[1, 2, 4, 11, 22, 44, 101, 121, 202, 242, 404, 484, 1111, 2222, 4444, 12221, 13781, 24442, 27562, 48884, 55124, 151591, 303182, 606364, 1391881, 1667501, 2783762, 3335002, 5567524, 6670004, 15310691, 30621382, 61242764, 168417601, 336835202, 673670404]

約数ペア:

[(1, 673670404), (2, 336835202), (4, 168417601), (11, 61242764), (22, 30621382), (44, 15310691), (101, 6670004), (121, 5567524), (202, 3335002), (242, 2783762), (404, 1667501), (484, 1391881), (1111, 606364), (2222, 303182), (4444, 151591), (12221, 55124), (13781, 48884), (24442, 27562)]