28961568

素因数分解:

$2^5\times 3^2\times {\mathrm{227}}^1\times {\mathrm{443}}^1$

素因数の和:686

約数の個数: 72

約数和(自身を含む): 82909008

約数和(自身を除く): 53947440

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 227, 288, 443, 454, 681, 886, 908, 1329, 1362, 1772, 1816, 2043, 2658, 2724, 3544, 3632, 3987, 4086, 5316, 5448, 7088, 7264, 7974, 8172, 10632, 10896, 14176, 15948, 16344, 21264, 21792, 31896, 32688, 42528, 63792, 65376, 100561, 127584, 201122, 301683, 402244, 603366, 804488, 905049, 1206732, 1608976, 1810098, 2413464, 3217952, 3620196, 4826928, 7240392, 9653856, 14480784, 28961568]

約数ペア:

[(1, 28961568), (2, 14480784), (3, 9653856), (4, 7240392), (6, 4826928), (8, 3620196), (9, 3217952), (12, 2413464), (16, 1810098), (18, 1608976), (24, 1206732), (32, 905049), (36, 804488), (48, 603366), (72, 402244), (96, 301683), (144, 201122), (227, 127584), (288, 100561), (443, 65376), (454, 63792), (681, 42528), (886, 32688), (908, 31896), (1329, 21792), (1362, 21264), (1772, 16344), (1816, 15948), (2043, 14176), (2658, 10896), (2724, 10632), (3544, 8172), (3632, 7974), (3987, 7264), (4086, 7088), (5316, 5448)]