2271568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 40

約数和(自身を含む): 4839968

約数和(自身を除く): 2568400

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 163, 208, 268, 326, 536, 652, 871, 1072, 1304, 1742, 2119, 2608, 3484, 4238, 6968, 8476, 10921, 13936, 16952, 21842, 33904, 43684, 87368, 141973, 174736, 283946, 567892, 1135784, 2271568]

約数ペア:

[(1, 2271568), (2, 1135784), (4, 567892), (8, 283946), (13, 174736), (16, 141973), (26, 87368), (52, 43684), (67, 33904), (104, 21842), (134, 16952), (163, 13936), (208, 10921), (268, 8476), (326, 6968), (536, 4238), (652, 3484), (871, 2608), (1072, 2119), (1304, 1742)]