81553328

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{347}}^1\times {\mathrm{397}}^1$

素因数の和:789

約数の個数: 40

約数和(自身を含む): 163157712

約数和(自身を除く): 81604384

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 347, 397, 592, 694, 794, 1388, 1588, 2776, 3176, 5552, 6352, 12839, 14689, 25678, 29378, 51356, 58756, 102712, 117512, 137759, 205424, 235024, 275518, 551036, 1102072, 2204144, 5097083, 10194166, 20388332, 40776664, 81553328]

約数ペア:

[(1, 81553328), (2, 40776664), (4, 20388332), (8, 10194166), (16, 5097083), (37, 2204144), (74, 1102072), (148, 551036), (296, 275518), (347, 235024), (397, 205424), (592, 137759), (694, 117512), (794, 102712), (1388, 58756), (1588, 51356), (2776, 29378), (3176, 25678), (5552, 14689), (6352, 12839)]