81944564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{9109}}^1$

素因数の和:9299

約数の個数: 24

約数和(自身を含む): 155343720

約数和(自身を除く): 73399156

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2249, 4498, 8996, 9109, 18218, 36436, 118417, 236834, 473668, 1575857, 3151714, 6303428, 20486141, 40972282, 81944564]

約数ペア:

[(1, 81944564), (2, 40972282), (4, 20486141), (13, 6303428), (26, 3151714), (52, 1575857), (173, 473668), (346, 236834), (692, 118417), (2249, 36436), (4498, 18218), (8996, 9109)]