28404376

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3547}}^1$

素因数の和:3584

約数の個数: 64

約数和(自身を含む): 71527680

約数和(自身を除く): 43123304

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 3547, 4004, 7094, 8008, 14188, 24829, 28376, 39017, 46111, 49658, 78034, 92222, 99316, 156068, 184444, 198632, 273119, 312136, 322777, 368888, 507221, 546238, 645554, 1014442, 1092476, 1291108, 2028884, 2184952, 2582216, 3550547, 4057768, 7101094, 14202188, 28404376]

約数ペア:

[(1, 28404376), (2, 14202188), (4, 7101094), (7, 4057768), (8, 3550547), (11, 2582216), (13, 2184952), (14, 2028884), (22, 1291108), (26, 1092476), (28, 1014442), (44, 645554), (52, 546238), (56, 507221), (77, 368888), (88, 322777), (91, 312136), (104, 273119), (143, 198632), (154, 184444), (182, 156068), (286, 99316), (308, 92222), (364, 78034), (572, 49658), (616, 46111), (728, 39017), (1001, 28376), (1144, 24829), (2002, 14188), (3547, 8008), (4004, 7094)]