279937658

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2087}}^1$

素因数の和:2187

約数の個数: 64

約数和(自身を含む): 572479488

約数和(自身を除く): 292541830

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 67, 77, 91, 134, 143, 154, 182, 286, 469, 737, 871, 938, 1001, 1474, 1742, 2002, 2087, 4174, 5159, 6097, 9581, 10318, 12194, 14609, 19162, 22957, 27131, 29218, 45914, 54262, 67067, 134134, 139829, 160699, 189917, 279658, 298441, 321398, 379834, 596882, 978803, 1538119, 1817777, 1957606, 2089087, 3076238, 3635554, 4178174, 10766833, 12724439, 19995547, 21533666, 25448878, 39991094, 139968829, 279937658]

約数ペア:

[(1, 279937658), (2, 139968829), (7, 39991094), (11, 25448878), (13, 21533666), (14, 19995547), (22, 12724439), (26, 10766833), (67, 4178174), (77, 3635554), (91, 3076238), (134, 2089087), (143, 1957606), (154, 1817777), (182, 1538119), (286, 978803), (469, 596882), (737, 379834), (871, 321398), (938, 298441), (1001, 279658), (1474, 189917), (1742, 160699), (2002, 139829), (2087, 134134), (4174, 67067), (5159, 54262), (6097, 45914), (9581, 29218), (10318, 27131), (12194, 22957), (14609, 19162)]