2642156

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:182

約数の個数: 36

約数和(自身を含む): 5228496

約数和(自身を除く): 2586340

約数列:

[1, 2, 4, 11, 22, 44, 53, 103, 106, 121, 206, 212, 242, 412, 484, 583, 1133, 1166, 2266, 2332, 4532, 5459, 6413, 10918, 12463, 12826, 21836, 24926, 25652, 49852, 60049, 120098, 240196, 660539, 1321078, 2642156]

約数ペア:

[(1, 2642156), (2, 1321078), (4, 660539), (11, 240196), (22, 120098), (44, 60049), (53, 49852), (103, 25652), (106, 24926), (121, 21836), (206, 12826), (212, 12463), (242, 10918), (412, 6413), (484, 5459), (583, 4532), (1133, 2332), (1166, 2266)]