61681828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 123480000

約数和(自身を除く): 61798172

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 149, 247, 298, 419, 494, 596, 838, 988, 1676, 1937, 2831, 3874, 5447, 5662, 7748, 7961, 10894, 11324, 15922, 21788, 31844, 36803, 62431, 73606, 103493, 124862, 147212, 206986, 249724, 413972, 811603, 1186189, 1623206, 2372378, 3246412, 4744756, 15420457, 30840914, 61681828]

約数ペア:

[(1, 61681828), (2, 30840914), (4, 15420457), (13, 4744756), (19, 3246412), (26, 2372378), (38, 1623206), (52, 1186189), (76, 811603), (149, 413972), (247, 249724), (298, 206986), (419, 147212), (494, 124862), (596, 103493), (838, 73606), (988, 62431), (1676, 36803), (1937, 31844), (2831, 21788), (3874, 15922), (5447, 11324), (5662, 10894), (7748, 7961)]