31781776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3251}}^1$

素因数の和:3319

約数の個数: 40

約数和(自身を含む): 67745664

約数和(自身を除く): 35963888

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 3251, 4888, 6502, 9776, 13004, 26008, 42263, 52016, 84526, 152797, 169052, 305594, 338104, 611188, 676208, 1222376, 1986361, 2444752, 3972722, 7945444, 15890888, 31781776]

約数ペア:

[(1, 31781776), (2, 15890888), (4, 7945444), (8, 3972722), (13, 2444752), (16, 1986361), (26, 1222376), (47, 676208), (52, 611188), (94, 338104), (104, 305594), (188, 169052), (208, 152797), (376, 84526), (611, 52016), (752, 42263), (1222, 26008), (2444, 13004), (3251, 9776), (4888, 6502)]