628385478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:821

約数の個数: 64

約数和(自身を含む): 1455252480

約数和(自身を除く): 826867002

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 173, 197, 346, 394, 439, 519, 591, 878, 1038, 1182, 1211, 1317, 1379, 2422, 2634, 2758, 3073, 3633, 4137, 6146, 7266, 8274, 9219, 18438, 34081, 68162, 75947, 86483, 102243, 151894, 172966, 204486, 227841, 238567, 259449, 455682, 477134, 518898, 531629, 605381, 715701, 1063258, 1210762, 1431402, 1594887, 1816143, 3189774, 3632286, 14961559, 29923118, 44884677, 89769354, 104730913, 209461826, 314192739, 628385478]

約数ペア:

[(1, 628385478), (2, 314192739), (3, 209461826), (6, 104730913), (7, 89769354), (14, 44884677), (21, 29923118), (42, 14961559), (173, 3632286), (197, 3189774), (346, 1816143), (394, 1594887), (439, 1431402), (519, 1210762), (591, 1063258), (878, 715701), (1038, 605381), (1182, 531629), (1211, 518898), (1317, 477134), (1379, 455682), (2422, 259449), (2634, 238567), (2758, 227841), (3073, 204486), (3633, 172966), (4137, 151894), (6146, 102243), (7266, 86483), (8274, 75947), (9219, 68162), (18438, 34081)]