28393932

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1123}}^1$

素因数の和:1187

約数の個数: 72

約数和(自身を含む): 78931776

約数和(自身を除く): 50537844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 49, 84, 86, 98, 129, 147, 172, 196, 258, 294, 301, 516, 588, 602, 903, 1123, 1204, 1806, 2107, 2246, 3369, 3612, 4214, 4492, 6321, 6738, 7861, 8428, 12642, 13476, 15722, 23583, 25284, 31444, 47166, 48289, 55027, 94332, 96578, 110054, 144867, 165081, 193156, 220108, 289734, 330162, 338023, 579468, 660324, 676046, 1014069, 1352092, 2028138, 2366161, 4056276, 4732322, 7098483, 9464644, 14196966, 28393932]

約数ペア:

[(1, 28393932), (2, 14196966), (3, 9464644), (4, 7098483), (6, 4732322), (7, 4056276), (12, 2366161), (14, 2028138), (21, 1352092), (28, 1014069), (42, 676046), (43, 660324), (49, 579468), (84, 338023), (86, 330162), (98, 289734), (129, 220108), (147, 193156), (172, 165081), (196, 144867), (258, 110054), (294, 96578), (301, 94332), (516, 55027), (588, 48289), (602, 47166), (903, 31444), (1123, 25284), (1204, 23583), (1806, 15722), (2107, 13476), (2246, 12642), (3369, 8428), (3612, 7861), (4214, 6738), (4492, 6321)]