168474168

素因数分解:

$2^3\times 3^4\times {\mathrm{259991}}^1$

素因数の和:260009

約数の個数: 40

約数和(自身を含む): 471885480

約数和(自身を除く): 303411312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 259991, 519982, 779973, 1039964, 1559946, 2079928, 2339919, 3119892, 4679838, 6239784, 7019757, 9359676, 14039514, 18719352, 21059271, 28079028, 42118542, 56158056, 84237084, 168474168]

約数ペア:

[(1, 168474168), (2, 84237084), (3, 56158056), (4, 42118542), (6, 28079028), (8, 21059271), (9, 18719352), (12, 14039514), (18, 9359676), (24, 7019757), (27, 6239784), (36, 4679838), (54, 3119892), (72, 2339919), (81, 2079928), (108, 1559946), (162, 1039964), (216, 779973), (324, 519982), (648, 259991)]