91820825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 129366720

約数和(自身を除く): 37545895

約数列:

[1, 5, 17, 19, 25, 83, 85, 95, 137, 323, 415, 425, 475, 685, 1411, 1577, 1615, 2075, 2329, 2603, 3425, 7055, 7885, 8075, 11371, 11645, 13015, 26809, 35275, 39425, 44251, 56855, 58225, 65075, 134045, 193307, 216049, 221255, 284275, 670225, 966535, 1080245, 1106275, 3672833, 4832675, 5401225, 18364165, 91820825]

約数ペア:

[(1, 91820825), (5, 18364165), (17, 5401225), (19, 4832675), (25, 3672833), (83, 1106275), (85, 1080245), (95, 966535), (137, 670225), (323, 284275), (415, 221255), (425, 216049), (475, 193307), (685, 134045), (1411, 65075), (1577, 58225), (1615, 56855), (2075, 44251), (2329, 39425), (2603, 35275), (3425, 26809), (7055, 13015), (7885, 11645), (8075, 11371)]