257963448

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{3221}}^1$

素因数の和:3348

約数の個数: 64

約数和(自身を含む): 668113920

約数和(自身を除く): 410150472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 71, 94, 141, 142, 188, 213, 282, 284, 376, 426, 564, 568, 852, 1128, 1704, 3221, 3337, 6442, 6674, 9663, 10011, 12884, 13348, 19326, 20022, 25768, 26696, 38652, 40044, 77304, 80088, 151387, 228691, 302774, 454161, 457382, 605548, 686073, 908322, 914764, 1211096, 1372146, 1816644, 1829528, 2744292, 3633288, 5488584, 10748477, 21496954, 32245431, 42993908, 64490862, 85987816, 128981724, 257963448]

約数ペア:

[(1, 257963448), (2, 128981724), (3, 85987816), (4, 64490862), (6, 42993908), (8, 32245431), (12, 21496954), (24, 10748477), (47, 5488584), (71, 3633288), (94, 2744292), (141, 1829528), (142, 1816644), (188, 1372146), (213, 1211096), (282, 914764), (284, 908322), (376, 686073), (426, 605548), (564, 457382), (568, 454161), (852, 302774), (1128, 228691), (1704, 151387), (3221, 80088), (3337, 77304), (6442, 40044), (6674, 38652), (9663, 26696), (10011, 25768), (12884, 20022), (13348, 19326)]