31807984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4933}}^1$

素因数の和:4985

約数の個数: 40

約数和(自身を含む): 68523392

約数和(自身を除く): 36715408

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 4933, 6448, 9866, 19732, 39464, 64129, 78928, 128258, 152923, 256516, 305846, 513032, 611692, 1026064, 1223384, 1987999, 2446768, 3975998, 7951996, 15903992, 31807984]

約数ペア:

[(1, 31807984), (2, 15903992), (4, 7951996), (8, 3975998), (13, 2446768), (16, 1987999), (26, 1223384), (31, 1026064), (52, 611692), (62, 513032), (104, 305846), (124, 256516), (208, 152923), (248, 128258), (403, 78928), (496, 64129), (806, 39464), (1612, 19732), (3224, 9866), (4933, 6448)]