256448764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2477}}^1$

素因数の和:2686

約数の個数: 48

約数和(自身を含む): 530371296

約数和(自身を除く): 273922532

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 181, 286, 362, 572, 724, 1991, 2353, 2477, 3982, 4706, 4954, 7964, 9412, 9908, 25883, 27247, 32201, 51766, 54494, 64402, 103532, 108988, 128804, 354211, 448337, 708422, 896674, 1416844, 1793348, 4931707, 5828381, 9863414, 11656762, 19726828, 23313524, 64112191, 128224382, 256448764]

約数ペア:

[(1, 256448764), (2, 128224382), (4, 64112191), (11, 23313524), (13, 19726828), (22, 11656762), (26, 9863414), (44, 5828381), (52, 4931707), (143, 1793348), (181, 1416844), (286, 896674), (362, 708422), (572, 448337), (724, 354211), (1991, 128804), (2353, 108988), (2477, 103532), (3982, 64402), (4706, 54494), (4954, 51766), (7964, 32201), (9412, 27247), (9908, 25883)]