81326810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{1193}}^1$

素因数の和:1618

約数の個数: 32

約数和(自身を含む): 155516112

約数和(自身を除く): 74189302

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 401, 802, 1193, 2005, 2386, 4010, 5965, 6817, 11930, 13634, 20281, 34085, 40562, 68170, 101405, 202810, 478393, 956786, 2391965, 4783930, 8132681, 16265362, 40663405, 81326810]

約数ペア:

[(1, 81326810), (2, 40663405), (5, 16265362), (10, 8132681), (17, 4783930), (34, 2391965), (85, 956786), (170, 478393), (401, 202810), (802, 101405), (1193, 68170), (2005, 40562), (2386, 34085), (4010, 20281), (5965, 13634), (6817, 11930)]