28013128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 63141120

約数和(自身を除く): 35127992

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 47, 52, 88, 94, 104, 143, 188, 286, 376, 517, 521, 572, 611, 1034, 1042, 1144, 1222, 2068, 2084, 2444, 4136, 4168, 4888, 5731, 6721, 6773, 11462, 13442, 13546, 22924, 24487, 26884, 27092, 45848, 48974, 53768, 54184, 74503, 97948, 149006, 195896, 269357, 298012, 318331, 538714, 596024, 636662, 1077428, 1273324, 2154856, 2546648, 3501641, 7003282, 14006564, 28013128]

約数ペア:

[(1, 28013128), (2, 14006564), (4, 7003282), (8, 3501641), (11, 2546648), (13, 2154856), (22, 1273324), (26, 1077428), (44, 636662), (47, 596024), (52, 538714), (88, 318331), (94, 298012), (104, 269357), (143, 195896), (188, 149006), (286, 97948), (376, 74503), (517, 54184), (521, 53768), (572, 48974), (611, 45848), (1034, 27092), (1042, 26884), (1144, 24487), (1222, 22924), (2068, 13546), (2084, 13442), (2444, 11462), (4136, 6773), (4168, 6721), (4888, 5731)]