390222

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 1023360

約数和(自身を除く): 633138

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 163, 171, 266, 326, 342, 399, 489, 798, 978, 1141, 1197, 1467, 2282, 2394, 2934, 3097, 3423, 6194, 6846, 9291, 10269, 18582, 20538, 21679, 27873, 43358, 55746, 65037, 130074, 195111, 390222]

約数ペア:

[(1, 390222), (2, 195111), (3, 130074), (6, 65037), (7, 55746), (9, 43358), (14, 27873), (18, 21679), (19, 20538), (21, 18582), (38, 10269), (42, 9291), (57, 6846), (63, 6194), (114, 3423), (126, 3097), (133, 2934), (163, 2394), (171, 2282), (266, 1467), (326, 1197), (342, 1141), (399, 978), (489, 798)]