278399524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{881}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 539360640

約数和(自身を除く): 260961116

約数列:

[1, 2, 4, 13, 26, 52, 59, 103, 118, 206, 236, 412, 767, 881, 1339, 1534, 1762, 2678, 3068, 3524, 5356, 6077, 11453, 12154, 22906, 24308, 45812, 51979, 79001, 90743, 103958, 158002, 181486, 207916, 316004, 362972, 675727, 1179659, 1351454, 2359318, 2702908, 4718636, 5353837, 10707674, 21415348, 69599881, 139199762, 278399524]

約数ペア:

[(1, 278399524), (2, 139199762), (4, 69599881), (13, 21415348), (26, 10707674), (52, 5353837), (59, 4718636), (103, 2702908), (118, 2359318), (206, 1351454), (236, 1179659), (412, 675727), (767, 362972), (881, 316004), (1339, 207916), (1534, 181486), (1762, 158002), (2678, 103958), (3068, 90743), (3524, 79001), (5356, 51979), (6077, 45812), (11453, 24308), (12154, 22906)]