642692

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 1193472

約数和(自身を除く): 550780

約数列:

[1, 2, 4, 31, 62, 71, 73, 124, 142, 146, 284, 292, 2201, 2263, 4402, 4526, 5183, 8804, 9052, 10366, 20732, 160673, 321346, 642692]

約数ペア:

[(1, 642692), (2, 321346), (4, 160673), (31, 20732), (62, 10366), (71, 9052), (73, 8804), (124, 5183), (142, 4526), (146, 4402), (284, 2263), (292, 2201)]