81398478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{3853}}^1$

素因数の和:4368

約数の個数: 32

約数和(自身を含む): 186471936

約数和(自身を除く): 105073458

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 503, 1006, 1509, 3018, 3521, 3853, 7042, 7706, 10563, 11559, 21126, 23118, 26971, 53942, 80913, 161826, 1938059, 3876118, 5814177, 11628354, 13566413, 27132826, 40699239, 81398478]

約数ペア:

[(1, 81398478), (2, 40699239), (3, 27132826), (6, 13566413), (7, 11628354), (14, 5814177), (21, 3876118), (42, 1938059), (503, 161826), (1006, 80913), (1509, 53942), (3018, 26971), (3521, 23118), (3853, 21126), (7042, 11559), (7706, 10563)]