68844490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1615

約数の個数: 64

約数和(自身を含む): 150377472

約数和(自身を除く): 81532982

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 682, 715, 806, 1430, 1553, 1705, 2015, 3106, 3410, 4030, 4433, 7765, 8866, 15530, 17083, 20189, 22165, 34166, 40378, 44330, 48143, 85415, 96286, 100945, 170830, 201890, 222079, 240715, 444158, 481430, 529573, 625859, 1059146, 1110395, 1251718, 2220790, 2647865, 3129295, 5295730, 6258590, 6884449, 13768898, 34422245, 68844490]

約数ペア:

[(1, 68844490), (2, 34422245), (5, 13768898), (10, 6884449), (11, 6258590), (13, 5295730), (22, 3129295), (26, 2647865), (31, 2220790), (55, 1251718), (62, 1110395), (65, 1059146), (110, 625859), (130, 529573), (143, 481430), (155, 444158), (286, 240715), (310, 222079), (341, 201890), (403, 170830), (682, 100945), (715, 96286), (806, 85415), (1430, 48143), (1553, 44330), (1705, 40378), (2015, 34166), (3106, 22165), (3410, 20189), (4030, 17083), (4433, 15530), (7765, 8866)]