1278561214

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{3613}}^1$

素因数の和:3809

約数の個数: 48

約数和(自身を含む): 2343433248

約数和(自身を除く): 1064872034

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 157, 161, 314, 322, 1099, 1127, 2198, 2254, 3611, 3613, 7222, 7226, 7693, 15386, 25277, 25291, 50554, 50582, 83099, 166198, 176939, 177037, 353878, 354074, 567241, 581693, 1134482, 1163386, 3970687, 4071851, 7941374, 8143702, 13046543, 26093086, 27794809, 55589618, 91325801, 182651602, 639280607, 1278561214]

約数ペア:

[(1, 1278561214), (2, 639280607), (7, 182651602), (14, 91325801), (23, 55589618), (46, 27794809), (49, 26093086), (98, 13046543), (157, 8143702), (161, 7941374), (314, 4071851), (322, 3970687), (1099, 1163386), (1127, 1134482), (2198, 581693), (2254, 567241), (3611, 354074), (3613, 353878), (7222, 177037), (7226, 176939), (7693, 166198), (15386, 83099), (25277, 50582), (25291, 50554)]