28709406

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2377}}^1$

素因数の和:2457

約数の個数: 48

約数和(自身を含む): 69000048

約数和(自身を除く): 40290642

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 61, 66, 99, 122, 183, 198, 366, 549, 671, 1098, 1342, 2013, 2377, 4026, 4754, 6039, 7131, 12078, 14262, 21393, 26147, 42786, 52294, 78441, 144997, 156882, 235323, 289994, 434991, 470646, 869982, 1304973, 1594967, 2609946, 3189934, 4784901, 9569802, 14354703, 28709406]

約数ペア:

[(1, 28709406), (2, 14354703), (3, 9569802), (6, 4784901), (9, 3189934), (11, 2609946), (18, 1594967), (22, 1304973), (33, 869982), (61, 470646), (66, 434991), (99, 289994), (122, 235323), (183, 156882), (198, 144997), (366, 78441), (549, 52294), (671, 42786), (1098, 26147), (1342, 21393), (2013, 14262), (2377, 12078), (4026, 7131), (4754, 6039)]