81603669895

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{1493}}^1$

素因数の和:1765

約数の個数: 64

約数和(自身を含む): 110865604608

約数和(自身を除く): 29261934713

約数列:

[1, 5, 11, 43, 55, 121, 191, 215, 473, 605, 955, 1331, 1493, 2101, 2365, 5203, 6655, 7465, 8213, 10505, 16423, 23111, 26015, 41065, 57233, 64199, 82115, 90343, 115555, 180653, 254221, 285163, 286165, 320995, 451715, 706189, 903265, 993773, 1271105, 1425815, 1987183, 3136793, 3530945, 4968865, 7768079, 9935915, 10931503, 12262009, 15683965, 34504723, 38840395, 54657515, 61310045, 85448869, 134882099, 172523615, 379551953, 427244345, 674410495, 1483703089, 1897759765, 7418515445, 16320733979, 81603669895]

約数ペア:

[(1, 81603669895), (5, 16320733979), (11, 7418515445), (43, 1897759765), (55, 1483703089), (121, 674410495), (191, 427244345), (215, 379551953), (473, 172523615), (605, 134882099), (955, 85448869), (1331, 61310045), (1493, 54657515), (2101, 38840395), (2365, 34504723), (5203, 15683965), (6655, 12262009), (7465, 10931503), (8213, 9935915), (10505, 7768079), (16423, 4968865), (23111, 3530945), (26015, 3136793), (41065, 1987183), (57233, 1425815), (64199, 1271105), (82115, 993773), (90343, 903265), (115555, 706189), (180653, 451715), (254221, 320995), (285163, 286165)]