28999048

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 59786100

約数和(自身を除く): 30787052

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 169, 178, 241, 338, 356, 482, 676, 712, 964, 1157, 1352, 1928, 2314, 3133, 4628, 6266, 9256, 12532, 15041, 21449, 25064, 30082, 40729, 42898, 60164, 81458, 85796, 120328, 162916, 171592, 278837, 325832, 557674, 1115348, 2230696, 3624881, 7249762, 14499524, 28999048]

約数ペア:

[(1, 28999048), (2, 14499524), (4, 7249762), (8, 3624881), (13, 2230696), (26, 1115348), (52, 557674), (89, 325832), (104, 278837), (169, 171592), (178, 162916), (241, 120328), (338, 85796), (356, 81458), (482, 60164), (676, 42898), (712, 40729), (964, 30082), (1157, 25064), (1352, 21449), (1928, 15041), (2314, 12532), (3133, 9256), (4628, 6266)]