215756528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{33461}}^1$

素因数の和:33513

約数の個数: 40

約数和(自身を含む): 464720256

約数和(自身を除く): 248963728

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 33461, 66922, 133844, 267688, 434993, 535376, 869986, 1037291, 1739972, 2074582, 3479944, 4149164, 6959888, 8298328, 13484783, 16596656, 26969566, 53939132, 107878264, 215756528]

約数ペア:

[(1, 215756528), (2, 107878264), (4, 53939132), (8, 26969566), (13, 16596656), (16, 13484783), (26, 8298328), (31, 6959888), (52, 4149164), (62, 3479944), (104, 2074582), (124, 1739972), (208, 1037291), (248, 869986), (403, 535376), (496, 434993), (806, 267688), (1612, 133844), (3224, 66922), (6448, 33461)]