66988870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{733}}^1$

素因数の和:809

約数の個数: 64

約数和(自身を含む): 140575680

約数和(自身を除く): 73586810

約数列:

[1, 2, 5, 10, 13, 19, 26, 37, 38, 65, 74, 95, 130, 185, 190, 247, 370, 481, 494, 703, 733, 962, 1235, 1406, 1466, 2405, 2470, 3515, 3665, 4810, 7030, 7330, 9139, 9529, 13927, 18278, 19058, 27121, 27854, 45695, 47645, 54242, 69635, 91390, 95290, 135605, 139270, 181051, 271210, 352573, 362102, 515299, 705146, 905255, 1030598, 1762865, 1810510, 2576495, 3525730, 5152990, 6698887, 13397774, 33494435, 66988870]

約数ペア:

[(1, 66988870), (2, 33494435), (5, 13397774), (10, 6698887), (13, 5152990), (19, 3525730), (26, 2576495), (37, 1810510), (38, 1762865), (65, 1030598), (74, 905255), (95, 705146), (130, 515299), (185, 362102), (190, 352573), (247, 271210), (370, 181051), (481, 139270), (494, 135605), (703, 95290), (733, 91390), (962, 69635), (1235, 54242), (1406, 47645), (1466, 45695), (2405, 27854), (2470, 27121), (3515, 19058), (3665, 18278), (4810, 13927), (7030, 9529), (7330, 9139)]