28586916

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 75435360

約数和(自身を除く): 46848444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 59, 86, 118, 129, 172, 177, 236, 258, 313, 354, 387, 516, 531, 626, 708, 774, 939, 1062, 1252, 1548, 1878, 2124, 2537, 2817, 3756, 5074, 5634, 7611, 10148, 11268, 13459, 15222, 18467, 22833, 26918, 30444, 36934, 40377, 45666, 53836, 55401, 73868, 80754, 91332, 110802, 121131, 161508, 166203, 221604, 242262, 332406, 484524, 664812, 794081, 1588162, 2382243, 3176324, 4764486, 7146729, 9528972, 14293458, 28586916]

約数ペア:

[(1, 28586916), (2, 14293458), (3, 9528972), (4, 7146729), (6, 4764486), (9, 3176324), (12, 2382243), (18, 1588162), (36, 794081), (43, 664812), (59, 484524), (86, 332406), (118, 242262), (129, 221604), (172, 166203), (177, 161508), (236, 121131), (258, 110802), (313, 91332), (354, 80754), (387, 73868), (516, 55401), (531, 53836), (626, 45666), (708, 40377), (774, 36934), (939, 30444), (1062, 26918), (1252, 22833), (1548, 18467), (1878, 15222), (2124, 13459), (2537, 11268), (2817, 10148), (3756, 7611), (5074, 5634)]