1639976

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{1213}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 3332430

約数和(自身を除く): 1692454

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1213, 1352, 2426, 4852, 9704, 15769, 31538, 63076, 126152, 204997, 409994, 819988, 1639976]

約数ペア:

[(1, 1639976), (2, 819988), (4, 409994), (8, 204997), (13, 126152), (26, 63076), (52, 31538), (104, 15769), (169, 9704), (338, 4852), (676, 2426), (1213, 1352)]