28365168

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 79744896

約数和(自身を除く): 51379728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 131, 156, 208, 262, 312, 347, 393, 524, 624, 694, 786, 1041, 1048, 1388, 1572, 1703, 2082, 2096, 2776, 3144, 3406, 4164, 4511, 5109, 5552, 6288, 6812, 8328, 9022, 10218, 13533, 13624, 16656, 18044, 20436, 27066, 27248, 36088, 40872, 45457, 54132, 72176, 81744, 90914, 108264, 136371, 181828, 216528, 272742, 363656, 545484, 590941, 727312, 1090968, 1181882, 1772823, 2181936, 2363764, 3545646, 4727528, 7091292, 9455056, 14182584, 28365168]

約数ペア:

[(1, 28365168), (2, 14182584), (3, 9455056), (4, 7091292), (6, 4727528), (8, 3545646), (12, 2363764), (13, 2181936), (16, 1772823), (24, 1181882), (26, 1090968), (39, 727312), (48, 590941), (52, 545484), (78, 363656), (104, 272742), (131, 216528), (156, 181828), (208, 136371), (262, 108264), (312, 90914), (347, 81744), (393, 72176), (524, 54132), (624, 45457), (694, 40872), (786, 36088), (1041, 27248), (1048, 27066), (1388, 20436), (1572, 18044), (1703, 16656), (2082, 13624), (2096, 13533), (2776, 10218), (3144, 9022), (3406, 8328), (4164, 6812), (4511, 6288), (5109, 5552)]