31802155

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 52005888

約数和(自身を除く): 20203733

約数列:

[1, 5, 7, 11, 17, 35, 43, 55, 77, 85, 113, 119, 187, 215, 301, 385, 473, 565, 595, 731, 791, 935, 1243, 1309, 1505, 1921, 2365, 3311, 3655, 3955, 4859, 5117, 6215, 6545, 8041, 8701, 9605, 13447, 16555, 21131, 24295, 25585, 34013, 40205, 43505, 53449, 56287, 67235, 82603, 105655, 147917, 170065, 267245, 281435, 374143, 413015, 578221, 739585, 908633, 1870715, 2891105, 4543165, 6360431, 31802155]

約数ペア:

[(1, 31802155), (5, 6360431), (7, 4543165), (11, 2891105), (17, 1870715), (35, 908633), (43, 739585), (55, 578221), (77, 413015), (85, 374143), (113, 281435), (119, 267245), (187, 170065), (215, 147917), (301, 105655), (385, 82603), (473, 67235), (565, 56287), (595, 53449), (731, 43505), (791, 40205), (935, 34013), (1243, 25585), (1309, 24295), (1505, 21131), (1921, 16555), (2365, 13447), (3311, 9605), (3655, 8701), (3955, 8041), (4859, 6545), (5117, 6215)]