81551998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:1048

約数の個数: 32

約数和(自身を含む): 137812608

約数和(自身を除く): 56260610

約数列:

[1, 2, 11, 22, 61, 67, 122, 134, 671, 737, 907, 1342, 1474, 1814, 4087, 8174, 9977, 19954, 44957, 55327, 60769, 89914, 110654, 121538, 608597, 668459, 1217194, 1336918, 3706909, 7413818, 40775999, 81551998]

約数ペア:

[(1, 81551998), (2, 40775999), (11, 7413818), (22, 3706909), (61, 1336918), (67, 1217194), (122, 668459), (134, 608597), (671, 121538), (737, 110654), (907, 89914), (1342, 60769), (1474, 55327), (1814, 44957), (4087, 19954), (8174, 9977)]