256457390448

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40171897}}^1$

素因数の和:40171934

約数の個数: 80

約数和(自身を含む): 797010456320

約数和(自身を除く): 540553065872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 133, 152, 168, 228, 266, 304, 336, 399, 456, 532, 798, 912, 1064, 1596, 2128, 3192, 6384, 40171897, 80343794, 120515691, 160687588, 241031382, 281203279, 321375176, 482062764, 562406558, 642750352, 763266043, 843609837, 964125528, 1124813116, 1526532086, 1687219674, 1928251056, 2249626232, 2289798129, 3053064172, 3374439348, 4499252464, 4579596258, 5342862301, 6106128344, 6748878696, 9159192516, 10685724602, 12212256688, 13497757392, 16028586903, 18318385032, 21371449204, 32057173806, 36636770064, 42742898408, 64114347612, 85485796816, 128228695224, 256457390448]

約数ペア:

[(1, 256457390448), (2, 128228695224), (3, 85485796816), (4, 64114347612), (6, 42742898408), (7, 36636770064), (8, 32057173806), (12, 21371449204), (14, 18318385032), (16, 16028586903), (19, 13497757392), (21, 12212256688), (24, 10685724602), (28, 9159192516), (38, 6748878696), (42, 6106128344), (48, 5342862301), (56, 4579596258), (57, 4499252464), (76, 3374439348), (84, 3053064172), (112, 2289798129), (114, 2249626232), (133, 1928251056), (152, 1687219674), (168, 1526532086), (228, 1124813116), (266, 964125528), (304, 843609837), (336, 763266043), (399, 642750352), (456, 562406558), (532, 482062764), (798, 321375176), (912, 281203279), (1064, 241031382), (1596, 160687588), (2128, 120515691), (3192, 80343794), (6384, 40171897)]