639299992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79357}}^1$

素因数の和:79435

約数の個数: 32

約数和(自身を含む): 1285599600

約数和(自身を除く): 646299608

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 152, 212, 424, 1007, 2014, 4028, 8056, 79357, 158714, 317428, 634856, 1507783, 3015566, 4205921, 6031132, 8411842, 12062264, 16823684, 33647368, 79912499, 159824998, 319649996, 639299992]

約数ペア:

[(1, 639299992), (2, 319649996), (4, 159824998), (8, 79912499), (19, 33647368), (38, 16823684), (53, 12062264), (76, 8411842), (106, 6031132), (152, 4205921), (212, 3015566), (424, 1507783), (1007, 634856), (2014, 317428), (4028, 158714), (8056, 79357)]