668222205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{7079}}^1$

素因数の和:7154

約数の個数: 64

約数和(自身を含む): 1304985600

約数和(自身を除く): 636763395

約数列:

[1, 3, 5, 7, 15, 21, 29, 31, 35, 87, 93, 105, 145, 155, 203, 217, 435, 465, 609, 651, 899, 1015, 1085, 2697, 3045, 3255, 4495, 6293, 7079, 13485, 18879, 21237, 31465, 35395, 49553, 94395, 106185, 148659, 205291, 219449, 247765, 615873, 658347, 743295, 1026455, 1097245, 1437037, 1536143, 3079365, 3291735, 4311111, 4608429, 6364021, 7185185, 7680715, 19092063, 21555555, 23042145, 31820105, 44548147, 95460315, 133644441, 222740735, 668222205]

約数ペア:

[(1, 668222205), (3, 222740735), (5, 133644441), (7, 95460315), (15, 44548147), (21, 31820105), (29, 23042145), (31, 21555555), (35, 19092063), (87, 7680715), (93, 7185185), (105, 6364021), (145, 4608429), (155, 4311111), (203, 3291735), (217, 3079365), (435, 1536143), (465, 1437037), (609, 1097245), (651, 1026455), (899, 743295), (1015, 658347), (1085, 615873), (2697, 247765), (3045, 219449), (3255, 205291), (4495, 148659), (6293, 106185), (7079, 94395), (13485, 49553), (18879, 35395), (21237, 31465)]