28058745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 53673984

約数和(自身を除く): 25615239

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 103, 127, 143, 165, 195, 309, 381, 429, 515, 635, 715, 1133, 1339, 1397, 1545, 1651, 1905, 2145, 3399, 4017, 4191, 4953, 5665, 6695, 6985, 8255, 13081, 14729, 16995, 18161, 20085, 20955, 24765, 39243, 44187, 54483, 65405, 73645, 90805, 143891, 170053, 196215, 220935, 272415, 431673, 510159, 719455, 850265, 1870583, 2158365, 2550795, 5611749, 9352915, 28058745]

約数ペア:

[(1, 28058745), (3, 9352915), (5, 5611749), (11, 2550795), (13, 2158365), (15, 1870583), (33, 850265), (39, 719455), (55, 510159), (65, 431673), (103, 272415), (127, 220935), (143, 196215), (165, 170053), (195, 143891), (309, 90805), (381, 73645), (429, 65405), (515, 54483), (635, 44187), (715, 39243), (1133, 24765), (1339, 20955), (1397, 20085), (1545, 18161), (1651, 16995), (1905, 14729), (2145, 13081), (3399, 8255), (4017, 6985), (4191, 6695), (4953, 5665)]