207820652

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 417134592

約数和(自身を除く): 209313940

約数列:

[1, 2, 4, 13, 26, 31, 47, 52, 62, 94, 124, 169, 188, 211, 338, 403, 422, 611, 676, 806, 844, 1222, 1457, 1612, 2444, 2743, 2914, 5239, 5486, 5828, 6541, 7943, 9917, 10478, 10972, 13082, 15886, 18941, 19834, 20956, 26164, 31772, 35659, 37882, 39668, 71318, 75764, 85033, 128921, 142636, 170066, 246233, 257842, 307427, 340132, 492466, 515684, 614854, 984932, 1105429, 1229708, 1675973, 2210858, 3351946, 3996551, 4421716, 6703892, 7993102, 15986204, 51955163, 103910326, 207820652]

約数ペア:

[(1, 207820652), (2, 103910326), (4, 51955163), (13, 15986204), (26, 7993102), (31, 6703892), (47, 4421716), (52, 3996551), (62, 3351946), (94, 2210858), (124, 1675973), (169, 1229708), (188, 1105429), (211, 984932), (338, 614854), (403, 515684), (422, 492466), (611, 340132), (676, 307427), (806, 257842), (844, 246233), (1222, 170066), (1457, 142636), (1612, 128921), (2444, 85033), (2743, 75764), (2914, 71318), (5239, 39668), (5486, 37882), (5828, 35659), (6541, 31772), (7943, 26164), (9917, 20956), (10478, 19834), (10972, 18941), (13082, 15886)]