644274684

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{380777}}^1$

素因数の和:380834

約数の個数: 36

約数和(自身を含む): 1663238304

約数和(自身を除く): 1018963620

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 380777, 761554, 1142331, 1523108, 2284662, 3426993, 4569324, 6853986, 13707972, 17896519, 35793038, 53689557, 71586076, 107379114, 161068671, 214758228, 322137342, 644274684]

約数ペア:

[(1, 644274684), (2, 322137342), (3, 214758228), (4, 161068671), (6, 107379114), (9, 71586076), (12, 53689557), (18, 35793038), (36, 17896519), (47, 13707972), (94, 6853986), (141, 4569324), (188, 3426993), (282, 2284662), (423, 1523108), (564, 1142331), (846, 761554), (1692, 380777)]