28912708

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 60060672

約数和(自身を除く): 31147964

約数列:

[1, 2, 4, 11, 22, 31, 41, 44, 47, 62, 82, 94, 121, 124, 164, 188, 242, 341, 451, 484, 517, 682, 902, 1034, 1271, 1364, 1457, 1804, 1927, 2068, 2542, 2914, 3751, 3854, 4961, 5084, 5687, 5828, 7502, 7708, 9922, 11374, 13981, 15004, 16027, 19844, 21197, 22748, 27962, 32054, 42394, 55924, 59737, 64108, 84788, 119474, 153791, 176297, 233167, 238948, 307582, 352594, 466334, 615164, 657107, 705188, 932668, 1314214, 2628428, 7228177, 14456354, 28912708]

約数ペア:

[(1, 28912708), (2, 14456354), (4, 7228177), (11, 2628428), (22, 1314214), (31, 932668), (41, 705188), (44, 657107), (47, 615164), (62, 466334), (82, 352594), (94, 307582), (121, 238948), (124, 233167), (164, 176297), (188, 153791), (242, 119474), (341, 84788), (451, 64108), (484, 59737), (517, 55924), (682, 42394), (902, 32054), (1034, 27962), (1271, 22748), (1364, 21197), (1457, 19844), (1804, 16027), (1927, 15004), (2068, 13981), (2542, 11374), (2914, 9922), (3751, 7708), (3854, 7502), (4961, 5828), (5084, 5687)]