31771376

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21821}}^1$

素因数の和:21849

約数の個数: 40

約数和(自身を含む): 75765984

約数和(自身を除く): 43994608

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 21821, 43642, 87284, 152747, 174568, 283673, 305494, 349136, 567346, 610988, 1134692, 1221976, 1985711, 2269384, 2443952, 3971422, 4538768, 7942844, 15885688, 31771376]

約数ペア:

[(1, 31771376), (2, 15885688), (4, 7942844), (7, 4538768), (8, 3971422), (13, 2443952), (14, 2269384), (16, 1985711), (26, 1221976), (28, 1134692), (52, 610988), (56, 567346), (91, 349136), (104, 305494), (112, 283673), (182, 174568), (208, 152747), (364, 87284), (728, 43642), (1456, 21821)]