256987016

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5479}}^1$

素因数の和:5550

約数の個数: 64

約数和(自身を含む): 580003200

約数和(自身を除く): 323016184

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 41, 44, 52, 82, 88, 104, 143, 164, 286, 328, 451, 533, 572, 902, 1066, 1144, 1804, 2132, 3608, 4264, 5479, 5863, 10958, 11726, 21916, 23452, 43832, 46904, 60269, 71227, 120538, 142454, 224639, 241076, 284908, 449278, 482152, 569816, 783497, 898556, 1566994, 1797112, 2471029, 2920307, 3133988, 4942058, 5840614, 6267976, 9884116, 11681228, 19768232, 23362456, 32123377, 64246754, 128493508, 256987016]

約数ペア:

[(1, 256987016), (2, 128493508), (4, 64246754), (8, 32123377), (11, 23362456), (13, 19768232), (22, 11681228), (26, 9884116), (41, 6267976), (44, 5840614), (52, 4942058), (82, 3133988), (88, 2920307), (104, 2471029), (143, 1797112), (164, 1566994), (286, 898556), (328, 783497), (451, 569816), (533, 482152), (572, 449278), (902, 284908), (1066, 241076), (1144, 224639), (1804, 142454), (2132, 120538), (3608, 71227), (4264, 60269), (5479, 46904), (5863, 43832), (10958, 23452), (11726, 21916)]