278602012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1426

約数の個数: 48

約数和(自身を含む): 541900800

約数和(自身を除く): 263298788

約数列:

[1, 2, 4, 13, 26, 52, 59, 71, 118, 142, 236, 284, 767, 923, 1279, 1534, 1846, 2558, 3068, 3692, 4189, 5116, 8378, 16627, 16756, 33254, 54457, 66508, 75461, 90809, 108914, 150922, 181618, 217828, 301844, 363236, 980993, 1180517, 1961986, 2361034, 3923972, 4722068, 5357731, 10715462, 21430924, 69650503, 139301006, 278602012]

約数ペア:

[(1, 278602012), (2, 139301006), (4, 69650503), (13, 21430924), (26, 10715462), (52, 5357731), (59, 4722068), (71, 3923972), (118, 2361034), (142, 1961986), (236, 1180517), (284, 980993), (767, 363236), (923, 301844), (1279, 217828), (1534, 181618), (1846, 150922), (2558, 108914), (3068, 90809), (3692, 75461), (4189, 66508), (5116, 54457), (8378, 33254), (16627, 16756)]