638832168

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{52501}}^1$

素因数の和:52539

約数の個数: 72

約数和(自身を含む): 1873533870

約数和(自身を除く): 1234701702

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 2028, 3042, 4056, 6084, 12168, 52501, 105002, 157503, 210004, 315006, 420008, 472509, 630012, 682513, 945018, 1260024, 1365026, 1890036, 2047539, 2730052, 3780072, 4095078, 5460104, 6142617, 8190156, 8872669, 12285234, 16380312, 17745338, 24570468, 26618007, 35490676, 49140936, 53236014, 70981352, 79854021, 106472028, 159708042, 212944056, 319416084, 638832168]

約数ペア:

[(1, 638832168), (2, 319416084), (3, 212944056), (4, 159708042), (6, 106472028), (8, 79854021), (9, 70981352), (12, 53236014), (13, 49140936), (18, 35490676), (24, 26618007), (26, 24570468), (36, 17745338), (39, 16380312), (52, 12285234), (72, 8872669), (78, 8190156), (104, 6142617), (117, 5460104), (156, 4095078), (169, 3780072), (234, 2730052), (312, 2047539), (338, 1890036), (468, 1365026), (507, 1260024), (676, 945018), (936, 682513), (1014, 630012), (1352, 472509), (1521, 420008), (2028, 315006), (3042, 210004), (4056, 157503), (6084, 105002), (12168, 52501)]