7997418

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1$

素因数の和:284

約数の個数: 72

約数和(自身を含む): 20554560

約数和(自身を除く): 12557142

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 169, 198, 234, 239, 286, 338, 429, 478, 507, 717, 858, 1014, 1287, 1434, 1521, 1859, 2151, 2574, 2629, 3042, 3107, 3718, 4302, 5258, 5577, 6214, 7887, 9321, 11154, 15774, 16731, 18642, 23661, 27963, 33462, 34177, 40391, 47322, 55926, 68354, 80782, 102531, 121173, 205062, 242346, 307593, 363519, 444301, 615186, 727038, 888602, 1332903, 2665806, 3998709, 7997418]

約数ペア:

[(1, 7997418), (2, 3998709), (3, 2665806), (6, 1332903), (9, 888602), (11, 727038), (13, 615186), (18, 444301), (22, 363519), (26, 307593), (33, 242346), (39, 205062), (66, 121173), (78, 102531), (99, 80782), (117, 68354), (143, 55926), (169, 47322), (198, 40391), (234, 34177), (239, 33462), (286, 27963), (338, 23661), (429, 18642), (478, 16731), (507, 15774), (717, 11154), (858, 9321), (1014, 7887), (1287, 6214), (1434, 5577), (1521, 5258), (1859, 4302), (2151, 3718), (2574, 3107), (2629, 3042)]