84636890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:915

約数の個数: 48

約数和(自身を含む): 167875416

約数和(自身を除く): 83238526

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 169, 305, 338, 610, 793, 821, 845, 1586, 1642, 1690, 3965, 4105, 7930, 8210, 10309, 10673, 20618, 21346, 50081, 51545, 53365, 100162, 103090, 106730, 138749, 250405, 277498, 500810, 651053, 693745, 1302106, 1387490, 3255265, 6510530, 8463689, 16927378, 42318445, 84636890]

約数ペア:

[(1, 84636890), (2, 42318445), (5, 16927378), (10, 8463689), (13, 6510530), (26, 3255265), (61, 1387490), (65, 1302106), (122, 693745), (130, 651053), (169, 500810), (305, 277498), (338, 250405), (610, 138749), (793, 106730), (821, 103090), (845, 100162), (1586, 53365), (1642, 51545), (1690, 50081), (3965, 21346), (4105, 20618), (7930, 10673), (8210, 10309)]