1218884992

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{2213}}^1$

素因数の和:2571

約数の個数: 64

約数和(自身を含む): 2624121360

約数和(自身を除く): 1405236368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 331, 416, 662, 832, 1324, 1664, 2213, 2648, 4303, 4426, 5296, 8606, 8852, 10592, 17212, 17704, 21184, 28769, 34424, 35408, 42368, 57538, 68848, 70816, 115076, 137696, 141632, 230152, 275392, 283264, 460304, 550784, 732503, 920608, 1465006, 1841216, 2930012, 3682432, 5860024, 9522539, 11720048, 19045078, 23440096, 38090156, 46880192, 76180312, 93760384, 152360624, 304721248, 609442496, 1218884992]

約数ペア:

[(1, 1218884992), (2, 609442496), (4, 304721248), (8, 152360624), (13, 93760384), (16, 76180312), (26, 46880192), (32, 38090156), (52, 23440096), (64, 19045078), (104, 11720048), (128, 9522539), (208, 5860024), (331, 3682432), (416, 2930012), (662, 1841216), (832, 1465006), (1324, 920608), (1664, 732503), (2213, 550784), (2648, 460304), (4303, 283264), (4426, 275392), (5296, 230152), (8606, 141632), (8852, 137696), (10592, 115076), (17212, 70816), (17704, 68848), (21184, 57538), (28769, 42368), (34424, 35408)]