221837236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 420112000

約数和(自身を除く): 198274764

約数列:

[1, 2, 4, 19, 38, 61, 76, 109, 122, 218, 244, 436, 439, 878, 1159, 1756, 2071, 2318, 4142, 4636, 6649, 8284, 8341, 13298, 16682, 26596, 26779, 33364, 47851, 53558, 95702, 107116, 126331, 191404, 252662, 505324, 508801, 909169, 1017602, 1818338, 2035204, 2918911, 3636676, 5837822, 11675644, 55459309, 110918618, 221837236]

約数ペア:

[(1, 221837236), (2, 110918618), (4, 55459309), (19, 11675644), (38, 5837822), (61, 3636676), (76, 2918911), (109, 2035204), (122, 1818338), (218, 1017602), (244, 909169), (436, 508801), (439, 505324), (878, 252662), (1159, 191404), (1756, 126331), (2071, 107116), (2318, 95702), (4142, 53558), (4636, 47851), (6649, 33364), (8284, 26779), (8341, 26596), (13298, 16682)]