638044418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 1093030848

約数和(自身を除く): 454986430

約数列:

[1, 2, 11, 22, 31, 62, 103, 206, 293, 341, 586, 682, 961, 1133, 1922, 2266, 3193, 3223, 6386, 6446, 9083, 10571, 18166, 21142, 30179, 35123, 60358, 70246, 98983, 99913, 197966, 199826, 281573, 331969, 563146, 663938, 935549, 1088813, 1871098, 2177626, 3097303, 6194606, 10291039, 20582078, 29002019, 58004038, 319022209, 638044418]

約数ペア:

[(1, 638044418), (2, 319022209), (11, 58004038), (22, 29002019), (31, 20582078), (62, 10291039), (103, 6194606), (206, 3097303), (293, 2177626), (341, 1871098), (586, 1088813), (682, 935549), (961, 663938), (1133, 563146), (1922, 331969), (2266, 281573), (3193, 199826), (3223, 197966), (6386, 99913), (6446, 98983), (9083, 70246), (10571, 60358), (18166, 35123), (21142, 30179)]