12938870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 28740096

約数和(自身を除く): 15801226

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 83, 85, 119, 131, 166, 170, 238, 262, 415, 581, 595, 655, 830, 917, 1162, 1190, 1310, 1411, 1834, 2227, 2822, 2905, 4454, 4585, 5810, 7055, 9170, 9877, 10873, 11135, 14110, 15589, 19754, 21746, 22270, 31178, 49385, 54365, 76111, 77945, 98770, 108730, 152222, 155890, 184841, 369682, 380555, 761110, 924205, 1293887, 1848410, 2587774, 6469435, 12938870]

約数ペア:

[(1, 12938870), (2, 6469435), (5, 2587774), (7, 1848410), (10, 1293887), (14, 924205), (17, 761110), (34, 380555), (35, 369682), (70, 184841), (83, 155890), (85, 152222), (119, 108730), (131, 98770), (166, 77945), (170, 76111), (238, 54365), (262, 49385), (415, 31178), (581, 22270), (595, 21746), (655, 19754), (830, 15589), (917, 14110), (1162, 11135), (1190, 10873), (1310, 9877), (1411, 9170), (1834, 7055), (2227, 5810), (2822, 4585), (2905, 4454)]