13880142

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 31299840

約数和(自身を除く): 17419698

約数列:

[1, 2, 3, 6, 9, 18, 43, 79, 86, 129, 158, 227, 237, 258, 387, 454, 474, 681, 711, 774, 1362, 1422, 2043, 3397, 4086, 6794, 9761, 10191, 17933, 19522, 20382, 29283, 30573, 35866, 53799, 58566, 61146, 87849, 107598, 161397, 175698, 322794, 771119, 1542238, 2313357, 4626714, 6940071, 13880142]

約数ペア:

[(1, 13880142), (2, 6940071), (3, 4626714), (6, 2313357), (9, 1542238), (18, 771119), (43, 322794), (79, 175698), (86, 161397), (129, 107598), (158, 87849), (227, 61146), (237, 58566), (258, 53799), (387, 35866), (454, 30573), (474, 29283), (681, 20382), (711, 19522), (774, 17933), (1362, 10191), (1422, 9761), (2043, 6794), (3397, 4086)]