28005744

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1213}}^1$

素因数の和:1274

約数の個数: 80

約数和(自身を含む): 80085152

約数和(自身を除く): 52079408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 37, 39, 48, 52, 74, 78, 104, 111, 148, 156, 208, 222, 296, 312, 444, 481, 592, 624, 888, 962, 1213, 1443, 1776, 1924, 2426, 2886, 3639, 3848, 4852, 5772, 7278, 7696, 9704, 11544, 14556, 15769, 19408, 23088, 29112, 31538, 44881, 47307, 58224, 63076, 89762, 94614, 126152, 134643, 179524, 189228, 252304, 269286, 359048, 378456, 538572, 583453, 718096, 756912, 1077144, 1166906, 1750359, 2154288, 2333812, 3500718, 4667624, 7001436, 9335248, 14002872, 28005744]

約数ペア:

[(1, 28005744), (2, 14002872), (3, 9335248), (4, 7001436), (6, 4667624), (8, 3500718), (12, 2333812), (13, 2154288), (16, 1750359), (24, 1166906), (26, 1077144), (37, 756912), (39, 718096), (48, 583453), (52, 538572), (74, 378456), (78, 359048), (104, 269286), (111, 252304), (148, 189228), (156, 179524), (208, 134643), (222, 126152), (296, 94614), (312, 89762), (444, 63076), (481, 58224), (592, 47307), (624, 44881), (888, 31538), (962, 29112), (1213, 23088), (1443, 19408), (1776, 15769), (1924, 14556), (2426, 11544), (2886, 9704), (3639, 7696), (3848, 7278), (4852, 5772)]