81723616

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1301}}^1$

素因数の和:1475

約数の個数: 48

約数和(自身を含む): 174551328

約数和(自身を除く): 92827712

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 151, 208, 302, 416, 604, 1208, 1301, 1963, 2416, 2602, 3926, 4832, 5204, 7852, 10408, 15704, 16913, 20816, 31408, 33826, 41632, 62816, 67652, 135304, 196451, 270608, 392902, 541216, 785804, 1571608, 2553863, 3143216, 5107726, 6286432, 10215452, 20430904, 40861808, 81723616]

約数ペア:

[(1, 81723616), (2, 40861808), (4, 20430904), (8, 10215452), (13, 6286432), (16, 5107726), (26, 3143216), (32, 2553863), (52, 1571608), (104, 785804), (151, 541216), (208, 392902), (302, 270608), (416, 196451), (604, 135304), (1208, 67652), (1301, 62816), (1963, 41632), (2416, 33826), (2602, 31408), (3926, 20816), (4832, 16913), (5204, 15704), (7852, 10408)]