81138768

素因数分解:

$2^4\times 3^1\times {\mathrm{479}}^1\times {\mathrm{3529}}^1$

素因数の和:4019

約数の個数: 40

約数和(自身を含む): 210105600

約数和(自身を除く): 128966832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 479, 958, 1437, 1916, 2874, 3529, 3832, 5748, 7058, 7664, 10587, 11496, 14116, 21174, 22992, 28232, 42348, 56464, 84696, 169392, 1690391, 3380782, 5071173, 6761564, 10142346, 13523128, 20284692, 27046256, 40569384, 81138768]

約数ペア:

[(1, 81138768), (2, 40569384), (3, 27046256), (4, 20284692), (6, 13523128), (8, 10142346), (12, 6761564), (16, 5071173), (24, 3380782), (48, 1690391), (479, 169392), (958, 84696), (1437, 56464), (1916, 42348), (2874, 28232), (3529, 22992), (3832, 21174), (5748, 14116), (7058, 11496), (7664, 10587)]