13157228

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 27499584

約数和(自身を除く): 14342356

約数列:

[1, 2, 4, 7, 14, 28, 41, 73, 82, 146, 157, 164, 287, 292, 314, 511, 574, 628, 1022, 1099, 1148, 2044, 2198, 2993, 4396, 5986, 6437, 11461, 11972, 12874, 20951, 22922, 25748, 41902, 45059, 45844, 80227, 83804, 90118, 160454, 180236, 320908, 469901, 939802, 1879604, 3289307, 6578614, 13157228]

約数ペア:

[(1, 13157228), (2, 6578614), (4, 3289307), (7, 1879604), (14, 939802), (28, 469901), (41, 320908), (73, 180236), (82, 160454), (146, 90118), (157, 83804), (164, 80227), (287, 45844), (292, 45059), (314, 41902), (511, 25748), (574, 22922), (628, 20951), (1022, 12874), (1099, 11972), (1148, 11461), (2044, 6437), (2198, 5986), (2993, 4396)]