81869872

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{8807}}^1$

素因数の和:8905

約数の個数: 40

約数和(自身を含む): 183488256

約数和(自身を除く): 101618384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 2324, 4648, 8807, 9296, 17614, 35228, 61649, 70456, 123298, 140912, 246596, 493192, 730981, 986384, 1461962, 2923924, 5116867, 5847848, 10233734, 11695696, 20467468, 40934936, 81869872]

約数ペア:

[(1, 81869872), (2, 40934936), (4, 20467468), (7, 11695696), (8, 10233734), (14, 5847848), (16, 5116867), (28, 2923924), (56, 1461962), (83, 986384), (112, 730981), (166, 493192), (332, 246596), (581, 140912), (664, 123298), (1162, 70456), (1328, 61649), (2324, 35228), (4648, 17614), (8807, 9296)]