2008971952

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{67}}^1\times {\mathrm{853}}^1$

素因数の和:967

約数の個数: 80

約数和(自身を含む): 4284552160

約数和(自身を除く): 2275580208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 169, 208, 268, 338, 536, 676, 853, 871, 1072, 1352, 1706, 1742, 2197, 2704, 3412, 3484, 4394, 6824, 6968, 8788, 11089, 11323, 13648, 13936, 17576, 22178, 22646, 35152, 44356, 45292, 57151, 88712, 90584, 114302, 144157, 147199, 177424, 181168, 228604, 288314, 294398, 457208, 576628, 588796, 742963, 914416, 1153256, 1177592, 1485926, 1874041, 2306512, 2355184, 2971852, 3748082, 5943704, 7496164, 9658519, 11887408, 14992328, 19317038, 29984656, 38634076, 77268152, 125560747, 154536304, 251121494, 502242988, 1004485976, 2008971952]

約数ペア:

[(1, 2008971952), (2, 1004485976), (4, 502242988), (8, 251121494), (13, 154536304), (16, 125560747), (26, 77268152), (52, 38634076), (67, 29984656), (104, 19317038), (134, 14992328), (169, 11887408), (208, 9658519), (268, 7496164), (338, 5943704), (536, 3748082), (676, 2971852), (853, 2355184), (871, 2306512), (1072, 1874041), (1352, 1485926), (1706, 1177592), (1742, 1153256), (2197, 914416), (2704, 742963), (3412, 588796), (3484, 576628), (4394, 457208), (6824, 294398), (6968, 288314), (8788, 228604), (11089, 181168), (11323, 177424), (13648, 147199), (13936, 144157), (17576, 114302), (22178, 90584), (22646, 88712), (35152, 57151), (44356, 45292)]