161813016

素因数分解:

$2^3\times 3^2\times {\mathrm{271}}^1\times {\mathrm{8293}}^1$

素因数の和:8576

約数の個数: 48

約数和(自身を含む): 439913760

約数和(自身を除く): 278100744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 271, 542, 813, 1084, 1626, 2168, 2439, 3252, 4878, 6504, 8293, 9756, 16586, 19512, 24879, 33172, 49758, 66344, 74637, 99516, 149274, 199032, 298548, 597096, 2247403, 4494806, 6742209, 8989612, 13484418, 17979224, 20226627, 26968836, 40453254, 53937672, 80906508, 161813016]

約数ペア:

[(1, 161813016), (2, 80906508), (3, 53937672), (4, 40453254), (6, 26968836), (8, 20226627), (9, 17979224), (12, 13484418), (18, 8989612), (24, 6742209), (36, 4494806), (72, 2247403), (271, 597096), (542, 298548), (813, 199032), (1084, 149274), (1626, 99516), (2168, 74637), (2439, 66344), (3252, 49758), (4878, 33172), (6504, 24879), (8293, 19512), (9756, 16586)]