664658995

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 1111541760

約数和(自身を除く): 446882765

約数列:

[1, 5, 7, 11, 13, 35, 41, 55, 65, 77, 79, 91, 143, 205, 287, 385, 395, 451, 455, 533, 553, 715, 869, 1001, 1027, 1435, 1681, 2255, 2665, 2765, 3157, 3239, 3731, 4345, 5005, 5135, 5863, 6083, 7189, 8405, 11297, 11767, 15785, 16195, 18491, 18655, 21853, 22673, 29315, 30415, 35629, 35945, 41041, 42107, 56485, 58835, 79079, 92455, 109265, 113365, 129437, 132799, 152971, 178145, 205205, 210535, 240383, 249403, 294749, 395395, 463177, 647185, 663995, 764855, 929593, 1201915, 1247015, 1460789, 1473745, 1682681, 1726387, 2315885, 3242239, 4647965, 7303945, 8413405, 8631935, 10225523, 12084709, 16211195, 18990257, 51127615, 60423545, 94951285, 132931799, 664658995]

約数ペア:

[(1, 664658995), (5, 132931799), (7, 94951285), (11, 60423545), (13, 51127615), (35, 18990257), (41, 16211195), (55, 12084709), (65, 10225523), (77, 8631935), (79, 8413405), (91, 7303945), (143, 4647965), (205, 3242239), (287, 2315885), (385, 1726387), (395, 1682681), (451, 1473745), (455, 1460789), (533, 1247015), (553, 1201915), (715, 929593), (869, 764855), (1001, 663995), (1027, 647185), (1435, 463177), (1681, 395395), (2255, 294749), (2665, 249403), (2765, 240383), (3157, 210535), (3239, 205205), (3731, 178145), (4345, 152971), (5005, 132799), (5135, 129437), (5863, 113365), (6083, 109265), (7189, 92455), (8405, 79079), (11297, 58835), (11767, 56485), (15785, 42107), (16195, 41041), (18491, 35945), (18655, 35629), (21853, 30415), (22673, 29315)]