208040008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{76261}}^1$

素因数の和:76309

約数の個数: 32

約数和(自身を含む): 439269120

約数和(自身を除く): 231229112

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 76261, 152522, 305044, 610088, 838871, 1677742, 2364091, 3355484, 4728182, 6710968, 9456364, 18912728, 26005001, 52010002, 104020004, 208040008]

約数ペア:

[(1, 208040008), (2, 104020004), (4, 52010002), (8, 26005001), (11, 18912728), (22, 9456364), (31, 6710968), (44, 4728182), (62, 3355484), (88, 2364091), (124, 1677742), (248, 838871), (341, 610088), (682, 305044), (1364, 152522), (2728, 76261)]