252151770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{646543}}^1$

素因数の和:646566

約数の個数: 32

約数和(自身を含む): 651716352

約数和(自身を除く): 399564582

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 646543, 1293086, 1939629, 3232715, 3879258, 6465430, 8405059, 9698145, 16810118, 19396290, 25215177, 42025295, 50430354, 84050590, 126075885, 252151770]

約数ペア:

[(1, 252151770), (2, 126075885), (3, 84050590), (5, 50430354), (6, 42025295), (10, 25215177), (13, 19396290), (15, 16810118), (26, 9698145), (30, 8405059), (39, 6465430), (65, 3879258), (78, 3232715), (130, 1939629), (195, 1293086), (390, 646543)]