215680504

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{2381}}^1$

素因数の和:2480

約数の個数: 48

約数和(自身を含む): 444624120

約数和(自身を除く): 228943616

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 169, 268, 338, 536, 676, 871, 1352, 1742, 2381, 3484, 4762, 6968, 9524, 11323, 19048, 22646, 30953, 45292, 61906, 90584, 123812, 159527, 247624, 319054, 402389, 638108, 804778, 1276216, 1609556, 2073851, 3219112, 4147702, 8295404, 16590808, 26960063, 53920126, 107840252, 215680504]

約数ペア:

[(1, 215680504), (2, 107840252), (4, 53920126), (8, 26960063), (13, 16590808), (26, 8295404), (52, 4147702), (67, 3219112), (104, 2073851), (134, 1609556), (169, 1276216), (268, 804778), (338, 638108), (536, 402389), (676, 319054), (871, 247624), (1352, 159527), (1742, 123812), (2381, 90584), (3484, 61906), (4762, 45292), (6968, 30953), (9524, 22646), (11323, 19048)]