31758064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2503}}^1$

素因数の和:2585

約数の個数: 40

約数和(自身を含む): 67377632

約数和(自身を除く): 35619568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 2503, 3172, 5006, 6344, 10012, 12688, 20024, 32539, 40048, 65078, 130156, 152683, 260312, 305366, 520624, 610732, 1221464, 1984879, 2442928, 3969758, 7939516, 15879032, 31758064]

約数ペア:

[(1, 31758064), (2, 15879032), (4, 7939516), (8, 3969758), (13, 2442928), (16, 1984879), (26, 1221464), (52, 610732), (61, 520624), (104, 305366), (122, 260312), (208, 152683), (244, 130156), (488, 65078), (793, 40048), (976, 32539), (1586, 20024), (2503, 12688), (3172, 10012), (5006, 6344)]