31921084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 63278208

約数和(自身を除く): 31357124

約数列:

[1, 2, 4, 13, 26, 37, 47, 52, 74, 94, 148, 188, 353, 481, 611, 706, 962, 1222, 1412, 1739, 1924, 2444, 3478, 4589, 6956, 9178, 13061, 16591, 18356, 22607, 26122, 33182, 45214, 52244, 66364, 90428, 169793, 215683, 339586, 431366, 613867, 679172, 862732, 1227734, 2455468, 7980271, 15960542, 31921084]

約数ペア:

[(1, 31921084), (2, 15960542), (4, 7980271), (13, 2455468), (26, 1227734), (37, 862732), (47, 679172), (52, 613867), (74, 431366), (94, 339586), (148, 215683), (188, 169793), (353, 90428), (481, 66364), (611, 52244), (706, 45214), (962, 33182), (1222, 26122), (1412, 22607), (1739, 18356), (1924, 16591), (2444, 13061), (3478, 9178), (4589, 6956)]