207954890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{145423}}^1$

素因数の和:145454

約数の個数: 32

約数和(自身を含む): 439762176

約数和(自身を除く): 231807286

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 145423, 290846, 727115, 1454230, 1599653, 1890499, 3199306, 3780998, 7998265, 9452495, 15996530, 18904990, 20795489, 41590978, 103977445, 207954890]

約数ペア:

[(1, 207954890), (2, 103977445), (5, 41590978), (10, 20795489), (11, 18904990), (13, 15996530), (22, 9452495), (26, 7998265), (55, 3780998), (65, 3199306), (110, 1890499), (130, 1599653), (143, 1454230), (286, 727115), (715, 290846), (1430, 145423)]