1391845

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:74

約数の個数: 48

約数和(自身を含む): 2298240

約数和(自身を除く): 906395

約数列:

[1, 5, 7, 13, 19, 23, 35, 49, 65, 91, 95, 115, 133, 161, 245, 247, 299, 437, 455, 637, 665, 805, 931, 1127, 1235, 1495, 1729, 2093, 2185, 3059, 3185, 4655, 5635, 5681, 8645, 10465, 12103, 14651, 15295, 21413, 28405, 39767, 60515, 73255, 107065, 198835, 278369, 1391845]

約数ペア:

[(1, 1391845), (5, 278369), (7, 198835), (13, 107065), (19, 73255), (23, 60515), (35, 39767), (49, 28405), (65, 21413), (91, 15295), (95, 14651), (115, 12103), (133, 10465), (161, 8645), (245, 5681), (247, 5635), (299, 4655), (437, 3185), (455, 3059), (637, 2185), (665, 2093), (805, 1729), (931, 1495), (1127, 1235)]