31911418

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 62853120

約数和(自身を除く): 30941702

約数列:

[1, 2, 7, 11, 14, 22, 43, 61, 77, 79, 86, 122, 154, 158, 301, 427, 473, 553, 602, 671, 854, 869, 946, 1106, 1342, 1738, 2623, 3311, 3397, 4697, 4819, 5246, 6083, 6622, 6794, 9394, 9638, 12166, 18361, 23779, 28853, 33733, 36722, 37367, 47558, 53009, 57706, 67466, 74734, 106018, 201971, 207217, 261569, 371063, 403942, 414434, 523138, 742126, 1450519, 2279387, 2901038, 4558774, 15955709, 31911418]

約数ペア:

[(1, 31911418), (2, 15955709), (7, 4558774), (11, 2901038), (14, 2279387), (22, 1450519), (43, 742126), (61, 523138), (77, 414434), (79, 403942), (86, 371063), (122, 261569), (154, 207217), (158, 201971), (301, 106018), (427, 74734), (473, 67466), (553, 57706), (602, 53009), (671, 47558), (854, 37367), (869, 36722), (946, 33733), (1106, 28853), (1342, 23779), (1738, 18361), (2623, 12166), (3311, 9638), (3397, 9394), (4697, 6794), (4819, 6622), (5246, 6083)]