28010540545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 37451937600

約数和(自身を除く): 9441397055

約数列:

[1, 5, 13, 53, 65, 149, 197, 265, 277, 689, 745, 985, 1385, 1937, 2561, 3445, 3601, 7897, 9685, 10441, 12805, 14681, 18005, 29353, 39485, 41273, 52205, 54569, 73405, 102661, 135733, 146765, 190853, 206365, 272845, 381589, 513305, 536549, 678665, 709397, 954265, 1555709, 1907945, 2187469, 2682745, 2892157, 3546985, 7778545, 8130781, 10937345, 14460785, 20224217, 28437097, 37598041, 40653905, 101121085, 105700153, 142185485, 187990205, 430931393, 528500765, 2154656965, 5602108109, 28010540545]

約数ペア:

[(1, 28010540545), (5, 5602108109), (13, 2154656965), (53, 528500765), (65, 430931393), (149, 187990205), (197, 142185485), (265, 105700153), (277, 101121085), (689, 40653905), (745, 37598041), (985, 28437097), (1385, 20224217), (1937, 14460785), (2561, 10937345), (3445, 8130781), (3601, 7778545), (7897, 3546985), (9685, 2892157), (10441, 2682745), (12805, 2187469), (14681, 1907945), (18005, 1555709), (29353, 954265), (39485, 709397), (41273, 678665), (52205, 536549), (54569, 513305), (73405, 381589), (102661, 272845), (135733, 206365), (146765, 190853)]