201656785

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 286130880

約数和(自身を除く): 84474095

約数列:

[1, 5, 11, 19, 53, 55, 95, 121, 209, 265, 331, 583, 605, 1007, 1045, 1655, 2299, 2915, 3641, 5035, 6289, 6413, 11077, 11495, 17543, 18205, 31445, 32065, 40051, 55385, 69179, 87715, 121847, 192973, 200255, 333317, 345895, 609235, 760969, 964865, 1666585, 2122703, 3666487, 3804845, 10613515, 18332435, 40331357, 201656785]

約数ペア:

[(1, 201656785), (5, 40331357), (11, 18332435), (19, 10613515), (53, 3804845), (55, 3666487), (95, 2122703), (121, 1666585), (209, 964865), (265, 760969), (331, 609235), (583, 345895), (605, 333317), (1007, 200255), (1045, 192973), (1655, 121847), (2299, 87715), (2915, 69179), (3641, 55385), (5035, 40051), (6289, 32065), (6413, 31445), (11077, 18205), (11495, 17543)]