1981195890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{795661}}^1$

素因数の和:795754

約数の個数: 32

約数和(自身を含む): 4812163776

約数和(自身を除く): 2830967886

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 795661, 1591322, 2386983, 3978305, 4773966, 7956610, 11934915, 23869830, 66039863, 132079726, 198119589, 330199315, 396239178, 660398630, 990597945, 1981195890]

約数ペア:

[(1, 1981195890), (2, 990597945), (3, 660398630), (5, 396239178), (6, 330199315), (10, 198119589), (15, 132079726), (30, 66039863), (83, 23869830), (166, 11934915), (249, 7956610), (415, 4773966), (498, 3978305), (830, 2386983), (1245, 1591322), (2490, 795661)]