1647931348

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{409}}^1$

素因数の和:825

約数の個数: 72

約数和(自身を含む): 3428192040

約数和(自身を除く): 1780260692

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 337, 409, 427, 674, 818, 854, 1348, 1636, 1708, 2359, 2863, 2989, 4718, 5726, 5978, 9436, 11452, 11956, 16513, 20041, 20557, 24949, 33026, 40082, 41114, 49898, 66052, 80164, 82228, 99796, 137833, 143899, 174643, 275666, 287798, 349286, 551332, 575596, 698572, 964831, 1007293, 1222501, 1929662, 2014586, 2445002, 3859324, 4029172, 4890004, 6753817, 8407813, 13507634, 16815626, 27015268, 33631252, 58854691, 117709382, 235418764, 411982837, 823965674, 1647931348]

約数ペア:

[(1, 1647931348), (2, 823965674), (4, 411982837), (7, 235418764), (14, 117709382), (28, 58854691), (49, 33631252), (61, 27015268), (98, 16815626), (122, 13507634), (196, 8407813), (244, 6753817), (337, 4890004), (409, 4029172), (427, 3859324), (674, 2445002), (818, 2014586), (854, 1929662), (1348, 1222501), (1636, 1007293), (1708, 964831), (2359, 698572), (2863, 575596), (2989, 551332), (4718, 349286), (5726, 287798), (5978, 275666), (9436, 174643), (11452, 143899), (11956, 137833), (16513, 99796), (20041, 82228), (20557, 80164), (24949, 66052), (33026, 49898), (40082, 41114)]