200290419

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1123}}^1$

素因数の和:1304

約数の個数: 48

約数和(自身を含む): 350688000

約数和(自身を除く): 150397581

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 149, 171, 399, 447, 1043, 1123, 1197, 1341, 2831, 3129, 3369, 7861, 8493, 9387, 10107, 19817, 21337, 23583, 25479, 59451, 64011, 70749, 149359, 167327, 178353, 192033, 448077, 501981, 1171289, 1344231, 1505943, 3179213, 3513867, 9537639, 10541601, 22254491, 28612917, 66763473, 200290419]

約数ペア:

[(1, 200290419), (3, 66763473), (7, 28612917), (9, 22254491), (19, 10541601), (21, 9537639), (57, 3513867), (63, 3179213), (133, 1505943), (149, 1344231), (171, 1171289), (399, 501981), (447, 448077), (1043, 192033), (1123, 178353), (1197, 167327), (1341, 149359), (2831, 70749), (3129, 64011), (3369, 59451), (7861, 25479), (8493, 23583), (9387, 21337), (10107, 19817)]