289301914

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1\times {\mathrm{541}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 480775680

約数和(自身を除く): 191473766

約数列:

[1, 2, 11, 22, 109, 218, 223, 446, 541, 1082, 1199, 2398, 2453, 4906, 5951, 11902, 24307, 48614, 58969, 117938, 120643, 241286, 267377, 534754, 648659, 1297318, 1327073, 2654146, 13150087, 26300174, 144650957, 289301914]

約数ペア:

[(1, 289301914), (2, 144650957), (11, 26300174), (22, 13150087), (109, 2654146), (218, 1327073), (223, 1297318), (446, 648659), (541, 534754), (1082, 267377), (1199, 241286), (2398, 120643), (2453, 117938), (4906, 58969), (5951, 48614), (11902, 24307)]