81021972

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{617}}^1$

素因数の和:1008

約数の個数: 48

約数和(自身を含む): 196019712

約数和(自身を除く): 114997740

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 353, 372, 617, 706, 1059, 1234, 1412, 1851, 2118, 2468, 3702, 4236, 7404, 10943, 19127, 21886, 32829, 38254, 43772, 57381, 65658, 76508, 114762, 131316, 217801, 229524, 435602, 653403, 871204, 1306806, 2613612, 6751831, 13503662, 20255493, 27007324, 40510986, 81021972]

約数ペア:

[(1, 81021972), (2, 40510986), (3, 27007324), (4, 20255493), (6, 13503662), (12, 6751831), (31, 2613612), (62, 1306806), (93, 871204), (124, 653403), (186, 435602), (353, 229524), (372, 217801), (617, 131316), (706, 114762), (1059, 76508), (1234, 65658), (1412, 57381), (1851, 43772), (2118, 38254), (2468, 32829), (3702, 21886), (4236, 19127), (7404, 10943)]