255996988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{461}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 494413920

約数和(自身を除く): 238416932

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 181, 236, 362, 461, 724, 767, 922, 1534, 1844, 2353, 3068, 4706, 5993, 9412, 10679, 11986, 21358, 23972, 27199, 42716, 54398, 83441, 108796, 138827, 166882, 277654, 333764, 353587, 555308, 707174, 1084733, 1414348, 2169466, 4338932, 4923019, 9846038, 19692076, 63999247, 127998494, 255996988]

約数ペア:

[(1, 255996988), (2, 127998494), (4, 63999247), (13, 19692076), (26, 9846038), (52, 4923019), (59, 4338932), (118, 2169466), (181, 1414348), (236, 1084733), (362, 707174), (461, 555308), (724, 353587), (767, 333764), (922, 277654), (1534, 166882), (1844, 138827), (2353, 108796), (3068, 83441), (4706, 54398), (5993, 42716), (9412, 27199), (10679, 23972), (11986, 21358)]