666655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 32

約数和(自身を含む): 995328

約数和(自身を除く): 328673

約数列:

[1, 5, 11, 17, 23, 31, 55, 85, 115, 155, 187, 253, 341, 391, 527, 713, 935, 1265, 1705, 1955, 2635, 3565, 4301, 5797, 7843, 12121, 21505, 28985, 39215, 60605, 133331, 666655]

約数ペア:

[(1, 666655), (5, 133331), (11, 60605), (17, 39215), (23, 28985), (31, 21505), (55, 12121), (85, 7843), (115, 5797), (155, 4301), (187, 3565), (253, 2635), (341, 1955), (391, 1705), (527, 1265), (713, 935)]