197870768

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{398933}}^1$

素因数の和:398972

約数の個数: 20

約数和(自身を含む): 395742528

約数和(自身を除く): 197871760

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 398933, 797866, 1595732, 3191464, 6382928, 12366923, 24733846, 49467692, 98935384, 197870768]

約数ペア:

[(1, 197870768), (2, 98935384), (4, 49467692), (8, 24733846), (16, 12366923), (31, 6382928), (62, 3191464), (124, 1595732), (248, 797866), (496, 398933)]