64001956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 123984000

約数和(自身を除く): 59982044

約数列:

[1, 2, 4, 19, 29, 38, 58, 71, 76, 116, 142, 284, 409, 551, 818, 1102, 1349, 1636, 2059, 2204, 2698, 4118, 5396, 7771, 8236, 11861, 15542, 23722, 29039, 31084, 39121, 47444, 58078, 78242, 116156, 156484, 225359, 450718, 551741, 842131, 901436, 1103482, 1684262, 2206964, 3368524, 16000489, 32000978, 64001956]

約数ペア:

[(1, 64001956), (2, 32000978), (4, 16000489), (19, 3368524), (29, 2206964), (38, 1684262), (58, 1103482), (71, 901436), (76, 842131), (116, 551741), (142, 450718), (284, 225359), (409, 156484), (551, 116156), (818, 78242), (1102, 58078), (1349, 47444), (1636, 39121), (2059, 31084), (2204, 29039), (2698, 23722), (4118, 15542), (5396, 11861), (7771, 8236)]