1808821561036

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1\times {\mathrm{2589313}}^1$

素因数の和:2589794

約数の個数: 48

約数和(自身を含む): 3685940265280

約数和(自身を除く): 1877118704244

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 409, 427, 818, 854, 1636, 1708, 2863, 5726, 11452, 24949, 49898, 99796, 174643, 349286, 698572, 2589313, 5178626, 10357252, 18125191, 36250382, 72500764, 157948093, 315896186, 631792372, 1059029017, 1105636651, 2118058034, 2211273302, 4236116068, 4422546604, 7413203119, 14826406238, 29652812476, 64600770037, 129201540074, 258403080148, 452205390259, 904410780518, 1808821561036]

約数ペア:

[(1, 1808821561036), (2, 904410780518), (4, 452205390259), (7, 258403080148), (14, 129201540074), (28, 64600770037), (61, 29652812476), (122, 14826406238), (244, 7413203119), (409, 4422546604), (427, 4236116068), (818, 2211273302), (854, 2118058034), (1636, 1105636651), (1708, 1059029017), (2863, 631792372), (5726, 315896186), (11452, 157948093), (24949, 72500764), (49898, 36250382), (99796, 18125191), (174643, 10357252), (349286, 5178626), (698572, 2589313)]