687614096

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1399}}^1$

素因数の和:1576

約数の個数: 80

約数和(自身を含む): 1531152000

約数和(自身を除く): 843537904

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 139, 208, 221, 272, 278, 442, 556, 884, 1112, 1399, 1768, 1807, 2224, 2363, 2798, 3536, 3614, 4726, 5596, 7228, 9452, 11192, 14456, 18187, 18904, 22384, 23783, 28912, 30719, 36374, 37808, 47566, 61438, 72748, 95132, 122876, 145496, 190264, 194461, 245752, 290992, 309179, 380528, 388922, 491504, 618358, 777844, 1236716, 1555688, 2473432, 2527993, 3111376, 3305837, 4946864, 5055986, 6611674, 10111972, 13223348, 20223944, 26446696, 40447888, 42975881, 52893392, 85951762, 171903524, 343807048, 687614096]

約数ペア:

[(1, 687614096), (2, 343807048), (4, 171903524), (8, 85951762), (13, 52893392), (16, 42975881), (17, 40447888), (26, 26446696), (34, 20223944), (52, 13223348), (68, 10111972), (104, 6611674), (136, 5055986), (139, 4946864), (208, 3305837), (221, 3111376), (272, 2527993), (278, 2473432), (442, 1555688), (556, 1236716), (884, 777844), (1112, 618358), (1399, 491504), (1768, 388922), (1807, 380528), (2224, 309179), (2363, 290992), (2798, 245752), (3536, 194461), (3614, 190264), (4726, 145496), (5596, 122876), (7228, 95132), (9452, 72748), (11192, 61438), (14456, 47566), (18187, 37808), (18904, 36374), (22384, 30719), (23783, 28912)]