81489687595

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{77521}}^1$

素因数の和:77775

約数の個数: 32

約数和(自身を含む): 105491937600

約数和(自身を除く): 24002250005

約数列:

[1, 5, 17, 83, 85, 149, 415, 745, 1411, 2533, 7055, 12367, 12665, 61835, 77521, 210239, 387605, 1051195, 1317857, 6434243, 6589285, 11550629, 32171215, 57753145, 109382131, 196360693, 546910655, 958702207, 981803465, 4793511035, 16297937519, 81489687595]

約数ペア:

[(1, 81489687595), (5, 16297937519), (17, 4793511035), (83, 981803465), (85, 958702207), (149, 546910655), (415, 196360693), (745, 109382131), (1411, 57753145), (2533, 32171215), (7055, 11550629), (12367, 6589285), (12665, 6434243), (61835, 1317857), (77521, 1051195), (210239, 387605)]