491040478

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:961

約数の個数: 48

約数和(自身を含む): 836415360

約数和(自身を除く): 345374882

約数列:

[1, 2, 17, 23, 34, 43, 46, 86, 289, 391, 578, 731, 782, 859, 989, 1462, 1718, 1978, 6647, 12427, 13294, 14603, 16813, 19757, 24854, 29206, 33626, 36937, 39514, 73874, 248251, 285821, 335869, 496502, 571642, 627929, 671738, 849551, 1255858, 1699102, 5709773, 10674793, 11419546, 14442367, 21349586, 28884734, 245520239, 491040478]

約数ペア:

[(1, 491040478), (2, 245520239), (17, 28884734), (23, 21349586), (34, 14442367), (43, 11419546), (46, 10674793), (86, 5709773), (289, 1699102), (391, 1255858), (578, 849551), (731, 671738), (782, 627929), (859, 571642), (989, 496502), (1462, 335869), (1718, 285821), (1978, 248251), (6647, 73874), (12427, 39514), (13294, 36937), (14603, 33626), (16813, 29206), (19757, 24854)]