205653679

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 262310400

約数和(自身を除く): 56656721

約数列:

[1, 7, 11, 77, 107, 109, 229, 749, 763, 1177, 1199, 1603, 2519, 8239, 8393, 11663, 17633, 24503, 24961, 81641, 128293, 171521, 174727, 269533, 274571, 898051, 1886731, 1921997, 2670827, 18695789, 29379097, 205653679]

約数ペア:

[(1, 205653679), (7, 29379097), (11, 18695789), (77, 2670827), (107, 1921997), (109, 1886731), (229, 898051), (749, 274571), (763, 269533), (1177, 174727), (1199, 171521), (1603, 128293), (2519, 81641), (8239, 24961), (8393, 24503), (11663, 17633)]