639132208

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9011}}^1$

素因数の和:9074

約数の個数: 80

約数和(自身を含む): 1501903872

約数和(自身を除く): 862771664

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 176, 208, 248, 286, 341, 403, 496, 572, 682, 806, 1144, 1364, 1612, 2288, 2728, 3224, 4433, 5456, 6448, 8866, 9011, 17732, 18022, 35464, 36044, 70928, 72088, 99121, 117143, 144176, 198242, 234286, 279341, 396484, 468572, 558682, 792968, 937144, 1117364, 1288573, 1585936, 1874288, 2234728, 2577146, 3072751, 3631433, 4469456, 5154292, 6145502, 7262866, 10308584, 12291004, 14525732, 20617168, 24582008, 29051464, 39945763, 49164016, 58102928, 79891526, 159783052, 319566104, 639132208]

約数ペア:

[(1, 639132208), (2, 319566104), (4, 159783052), (8, 79891526), (11, 58102928), (13, 49164016), (16, 39945763), (22, 29051464), (26, 24582008), (31, 20617168), (44, 14525732), (52, 12291004), (62, 10308584), (88, 7262866), (104, 6145502), (124, 5154292), (143, 4469456), (176, 3631433), (208, 3072751), (248, 2577146), (286, 2234728), (341, 1874288), (403, 1585936), (496, 1288573), (572, 1117364), (682, 937144), (806, 792968), (1144, 558682), (1364, 468572), (1612, 396484), (2288, 279341), (2728, 234286), (3224, 198242), (4433, 144176), (5456, 117143), (6448, 99121), (8866, 72088), (9011, 70928), (17732, 36044), (18022, 35464)]