165874390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{65563}}^1$

素因数の和:65604

約数の個数: 32

約数和(自身を含む): 339883776

約数和(自身を除く): 174009386

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 65563, 131126, 327815, 655630, 721193, 1442386, 1507949, 3015898, 3605965, 7211930, 7539745, 15079490, 16587439, 33174878, 82937195, 165874390]

約数ペア:

[(1, 165874390), (2, 82937195), (5, 33174878), (10, 16587439), (11, 15079490), (22, 7539745), (23, 7211930), (46, 3605965), (55, 3015898), (110, 1507949), (115, 1442386), (230, 721193), (253, 655630), (506, 327815), (1265, 131126), (2530, 65563)]