81614708

素因数分解:

$2^2\times 7^1\times {\mathrm{1303}}^1\times {\mathrm{2237}}^1$

素因数の和:3551

約数の個数: 24

約数和(自身を含む): 163427712

約数和(自身を除く): 81813004

約数列:

[1, 2, 4, 7, 14, 28, 1303, 2237, 2606, 4474, 5212, 8948, 9121, 15659, 18242, 31318, 36484, 62636, 2914811, 5829622, 11659244, 20403677, 40807354, 81614708]

約数ペア:

[(1, 81614708), (2, 40807354), (4, 20403677), (7, 11659244), (14, 5829622), (28, 2914811), (1303, 62636), (2237, 36484), (2606, 31318), (4474, 18242), (5212, 15659), (8948, 9121)]