81473292

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{383}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 218050560

約数和(自身を除く): 136577268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 311, 342, 383, 622, 684, 766, 933, 1149, 1244, 1532, 1866, 2298, 2799, 3447, 3732, 4596, 5598, 5909, 6894, 7277, 11196, 11818, 13788, 14554, 17727, 21831, 23636, 29108, 35454, 43662, 53181, 65493, 70908, 87324, 106362, 119113, 130986, 212724, 238226, 261972, 357339, 476452, 714678, 1072017, 1429356, 2144034, 2263147, 4288068, 4526294, 6789441, 9052588, 13578882, 20368323, 27157764, 40736646, 81473292]

約数ペア:

[(1, 81473292), (2, 40736646), (3, 27157764), (4, 20368323), (6, 13578882), (9, 9052588), (12, 6789441), (18, 4526294), (19, 4288068), (36, 2263147), (38, 2144034), (57, 1429356), (76, 1072017), (114, 714678), (171, 476452), (228, 357339), (311, 261972), (342, 238226), (383, 212724), (622, 130986), (684, 119113), (766, 106362), (933, 87324), (1149, 70908), (1244, 65493), (1532, 53181), (1866, 43662), (2298, 35454), (2799, 29108), (3447, 23636), (3732, 21831), (4596, 17727), (5598, 14554), (5909, 13788), (6894, 11818), (7277, 11196)]