2021878657475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{437539}}^1$

素因数の和:437780

約数の個数: 48

約数和(自身を含む): 2707105484160

約数和(自身を除く): 685226826685

約数列:

[1, 5, 17, 25, 83, 85, 131, 415, 425, 655, 1411, 2075, 2227, 3275, 7055, 10873, 11135, 35275, 54365, 55675, 184841, 271825, 437539, 924205, 2187695, 4621025, 7438163, 10938475, 36315737, 37190815, 57317609, 181578685, 185954075, 286588045, 617367529, 907893425, 974399353, 1432940225, 3086837645, 4757361547, 4871996765, 15434188225, 23786807735, 24359983825, 80875146299, 118934038675, 404375731495, 2021878657475]

約数ペア:

[(1, 2021878657475), (5, 404375731495), (17, 118934038675), (25, 80875146299), (83, 24359983825), (85, 23786807735), (131, 15434188225), (415, 4871996765), (425, 4757361547), (655, 3086837645), (1411, 1432940225), (2075, 974399353), (2227, 907893425), (3275, 617367529), (7055, 286588045), (10873, 185954075), (11135, 181578685), (35275, 57317609), (54365, 37190815), (55675, 36315737), (184841, 10938475), (271825, 7438163), (437539, 4621025), (924205, 2187695)]