408483790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{863}}^1$

素因数の和:1225

約数の個数: 64

約数和(自身を含む): 867428352

約数和(自身を除く): 458944562

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 331, 662, 715, 863, 1430, 1655, 1726, 3310, 3641, 4303, 4315, 7282, 8606, 8630, 9493, 11219, 18205, 18986, 21515, 22438, 36410, 43030, 47333, 47465, 56095, 94666, 94930, 112190, 123409, 236665, 246818, 285653, 473330, 571306, 617045, 1234090, 1428265, 2856530, 3142183, 3713489, 6284366, 7426978, 15710915, 18567445, 31421830, 37134890, 40848379, 81696758, 204241895, 408483790]

約数ペア:

[(1, 408483790), (2, 204241895), (5, 81696758), (10, 40848379), (11, 37134890), (13, 31421830), (22, 18567445), (26, 15710915), (55, 7426978), (65, 6284366), (110, 3713489), (130, 3142183), (143, 2856530), (286, 1428265), (331, 1234090), (662, 617045), (715, 571306), (863, 473330), (1430, 285653), (1655, 246818), (1726, 236665), (3310, 123409), (3641, 112190), (4303, 94930), (4315, 94666), (7282, 56095), (8606, 47465), (8630, 47333), (9493, 43030), (11219, 36410), (18205, 22438), (18986, 21515)]