156980890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:823

約数の個数: 64

約数和(自身を含む): 329453568

約数和(自身を除く): 172472678

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 127, 170, 187, 254, 374, 635, 661, 935, 1270, 1322, 1397, 1870, 2159, 2794, 3305, 4318, 6610, 6985, 7271, 10795, 11237, 13970, 14542, 21590, 22474, 23749, 36355, 47498, 56185, 72710, 83947, 112370, 118745, 123607, 167894, 237490, 247214, 419735, 618035, 839470, 923417, 1236070, 1427099, 1846834, 2854198, 4617085, 7135495, 9234170, 14270990, 15698089, 31396178, 78490445, 156980890]

約数ペア:

[(1, 156980890), (2, 78490445), (5, 31396178), (10, 15698089), (11, 14270990), (17, 9234170), (22, 7135495), (34, 4617085), (55, 2854198), (85, 1846834), (110, 1427099), (127, 1236070), (170, 923417), (187, 839470), (254, 618035), (374, 419735), (635, 247214), (661, 237490), (935, 167894), (1270, 123607), (1322, 118745), (1397, 112370), (1870, 83947), (2159, 72710), (2794, 56185), (3305, 47498), (4318, 36355), (6610, 23749), (6985, 22474), (7271, 21590), (10795, 14542), (11237, 13970)]