261795008

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{379}}^1$

素因数の和:685

約数の個数: 56

約数和(自身を含む): 535106880

約数和(自身を除く): 273311872

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 251, 344, 379, 502, 688, 758, 1004, 1376, 1516, 2008, 2752, 3032, 4016, 6064, 8032, 10793, 12128, 16064, 16297, 21586, 24256, 32594, 43172, 65188, 86344, 95129, 130376, 172688, 190258, 260752, 345376, 380516, 521504, 690752, 761032, 1043008, 1522064, 3044128, 4090547, 6088256, 8181094, 16362188, 32724376, 65448752, 130897504, 261795008]

約数ペア:

[(1, 261795008), (2, 130897504), (4, 65448752), (8, 32724376), (16, 16362188), (32, 8181094), (43, 6088256), (64, 4090547), (86, 3044128), (172, 1522064), (251, 1043008), (344, 761032), (379, 690752), (502, 521504), (688, 380516), (758, 345376), (1004, 260752), (1376, 190258), (1516, 172688), (2008, 130376), (2752, 95129), (3032, 86344), (4016, 65188), (6064, 43172), (8032, 32594), (10793, 24256), (12128, 21586), (16064, 16297)]