30721868

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{2273}}^1$

素因数の和:2417

約数の個数: 24

約数和(自身を含む): 56031360

約数和(自身を除く): 25309492

約数列:

[1, 2, 4, 31, 62, 109, 124, 218, 436, 2273, 3379, 4546, 6758, 9092, 13516, 70463, 140926, 247757, 281852, 495514, 991028, 7680467, 15360934, 30721868]

約数ペア:

[(1, 30721868), (2, 15360934), (4, 7680467), (31, 991028), (62, 495514), (109, 281852), (124, 247757), (218, 140926), (436, 70463), (2273, 13516), (3379, 9092), (4546, 6758)]