643474082

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 1020902400

約数和(自身を除く): 377428318

約数列:

[1, 2, 23, 46, 149, 223, 298, 421, 446, 842, 3427, 5129, 6854, 9683, 10258, 19366, 33227, 62729, 66454, 93883, 125458, 187766, 764221, 1442767, 1528442, 2159309, 2885534, 4318618, 13988567, 27977134, 321737041, 643474082]

約数ペア:

[(1, 643474082), (2, 321737041), (23, 27977134), (46, 13988567), (149, 4318618), (223, 2885534), (298, 2159309), (421, 1528442), (446, 1442767), (842, 764221), (3427, 187766), (5129, 125458), (6854, 93883), (9683, 66454), (10258, 62729), (19366, 33227)]