257282244

素因数分解:

$2^2\times 3^4\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:431

約数の個数: 120

約数和(自身を含む): 702129120

約数和(自身を除く): 444846876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 59, 81, 86, 108, 118, 129, 162, 172, 177, 236, 258, 313, 324, 354, 387, 516, 531, 626, 708, 774, 939, 1062, 1161, 1252, 1548, 1593, 1878, 2124, 2322, 2537, 2817, 3186, 3483, 3756, 4644, 4779, 5074, 5634, 6372, 6966, 7611, 8451, 9558, 10148, 11268, 13459, 13932, 15222, 16902, 18467, 19116, 22833, 25353, 26918, 30444, 33804, 36934, 40377, 45666, 50706, 53836, 55401, 68499, 73868, 80754, 91332, 101412, 110802, 121131, 136998, 161508, 166203, 205497, 221604, 242262, 273996, 332406, 363393, 410994, 484524, 498609, 664812, 726786, 794081, 821988, 997218, 1090179, 1453572, 1495827, 1588162, 1994436, 2180358, 2382243, 2991654, 3176324, 4360716, 4764486, 5983308, 7146729, 9528972, 14293458, 21440187, 28586916, 42880374, 64320561, 85760748, 128641122, 257282244]

約数ペア:

[(1, 257282244), (2, 128641122), (3, 85760748), (4, 64320561), (6, 42880374), (9, 28586916), (12, 21440187), (18, 14293458), (27, 9528972), (36, 7146729), (43, 5983308), (54, 4764486), (59, 4360716), (81, 3176324), (86, 2991654), (108, 2382243), (118, 2180358), (129, 1994436), (162, 1588162), (172, 1495827), (177, 1453572), (236, 1090179), (258, 997218), (313, 821988), (324, 794081), (354, 726786), (387, 664812), (516, 498609), (531, 484524), (626, 410994), (708, 363393), (774, 332406), (939, 273996), (1062, 242262), (1161, 221604), (1252, 205497), (1548, 166203), (1593, 161508), (1878, 136998), (2124, 121131), (2322, 110802), (2537, 101412), (2817, 91332), (3186, 80754), (3483, 73868), (3756, 68499), (4644, 55401), (4779, 53836), (5074, 50706), (5634, 45666), (6372, 40377), (6966, 36934), (7611, 33804), (8451, 30444), (9558, 26918), (10148, 25353), (11268, 22833), (13459, 19116), (13932, 18467), (15222, 16902)]