68729605

素因数分解:

$5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 100465920

約数和(自身を除く): 31736315

約数列:

[1, 5, 7, 35, 49, 53, 67, 79, 245, 265, 335, 371, 395, 469, 553, 1855, 2345, 2597, 2765, 3283, 3551, 3871, 4187, 5293, 12985, 16415, 17755, 19355, 20935, 24857, 26465, 29309, 37051, 124285, 146545, 173999, 185255, 205163, 259357, 280529, 869995, 1025815, 1296785, 1402645, 1963703, 9818515, 13745921, 68729605]

約数ペア:

[(1, 68729605), (5, 13745921), (7, 9818515), (35, 1963703), (49, 1402645), (53, 1296785), (67, 1025815), (79, 869995), (245, 280529), (265, 259357), (335, 205163), (371, 185255), (395, 173999), (469, 146545), (553, 124285), (1855, 37051), (2345, 29309), (2597, 26465), (2765, 24857), (3283, 20935), (3551, 19355), (3871, 17755), (4187, 16415), (5293, 12985)]