642802338

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{11821}}^1$

素因数の和:11904

約数の個数: 64

約数和(自身を含む): 1532131200

約数和(自身を除く): 889328862

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 53, 54, 57, 106, 114, 159, 171, 318, 342, 477, 513, 954, 1007, 1026, 1431, 2014, 2862, 3021, 6042, 9063, 11821, 18126, 23642, 27189, 35463, 54378, 70926, 106389, 212778, 224599, 319167, 449198, 626513, 638334, 673797, 1253026, 1347594, 1879539, 2021391, 3759078, 4042782, 5638617, 6064173, 11277234, 11903747, 12128346, 16915851, 23807494, 33831702, 35711241, 71422482, 107133723, 214267446, 321401169, 642802338]

約数ペア:

[(1, 642802338), (2, 321401169), (3, 214267446), (6, 107133723), (9, 71422482), (18, 35711241), (19, 33831702), (27, 23807494), (38, 16915851), (53, 12128346), (54, 11903747), (57, 11277234), (106, 6064173), (114, 5638617), (159, 4042782), (171, 3759078), (318, 2021391), (342, 1879539), (477, 1347594), (513, 1253026), (954, 673797), (1007, 638334), (1026, 626513), (1431, 449198), (2014, 319167), (2862, 224599), (3021, 212778), (6042, 106389), (9063, 70926), (11821, 54378), (18126, 35463), (23642, 27189)]