31412836

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 68145280

約数和(自身を除く): 36732444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 211, 364, 409, 422, 818, 844, 1477, 1636, 2743, 2863, 2954, 5317, 5486, 5726, 5908, 10634, 10972, 11452, 19201, 21268, 37219, 38402, 74438, 76804, 86299, 148876, 172598, 345196, 604093, 1121887, 1208186, 2243774, 2416372, 4487548, 7853209, 15706418, 31412836]

約数ペア:

[(1, 31412836), (2, 15706418), (4, 7853209), (7, 4487548), (13, 2416372), (14, 2243774), (26, 1208186), (28, 1121887), (52, 604093), (91, 345196), (182, 172598), (211, 148876), (364, 86299), (409, 76804), (422, 74438), (818, 38402), (844, 37219), (1477, 21268), (1636, 19201), (2743, 11452), (2863, 10972), (2954, 10634), (5317, 5908), (5486, 5726)]