31461872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{419}}^1$

素因数の和:478

約数の個数: 60

約数和(自身を含む): 69448680

約数和(自身を除く): 37986808

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 361, 419, 494, 722, 838, 988, 1444, 1676, 1976, 2888, 3352, 3952, 4693, 5447, 5776, 6704, 7961, 9386, 10894, 15922, 18772, 21788, 31844, 37544, 43576, 63688, 75088, 87152, 103493, 127376, 151259, 206986, 302518, 413972, 605036, 827944, 1210072, 1655888, 1966367, 2420144, 3932734, 7865468, 15730936, 31461872]

約数ペア:

[(1, 31461872), (2, 15730936), (4, 7865468), (8, 3932734), (13, 2420144), (16, 1966367), (19, 1655888), (26, 1210072), (38, 827944), (52, 605036), (76, 413972), (104, 302518), (152, 206986), (208, 151259), (247, 127376), (304, 103493), (361, 87152), (419, 75088), (494, 63688), (722, 43576), (838, 37544), (988, 31844), (1444, 21788), (1676, 18772), (1976, 15922), (2888, 10894), (3352, 9386), (3952, 7961), (4693, 6704), (5447, 5776)]