1398800272

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{21391}}^1$

素因数の和:21527

約数の個数: 40

約数和(自身を含む): 2795848832

約数和(自身を除く): 1397048560

約数列:

[1, 2, 4, 8, 16, 61, 67, 122, 134, 244, 268, 488, 536, 976, 1072, 4087, 8174, 16348, 21391, 32696, 42782, 65392, 85564, 171128, 342256, 1304851, 1433197, 2609702, 2866394, 5219404, 5732788, 10438808, 11465576, 20877616, 22931152, 87425017, 174850034, 349700068, 699400136, 1398800272]

約数ペア:

[(1, 1398800272), (2, 699400136), (4, 349700068), (8, 174850034), (16, 87425017), (61, 22931152), (67, 20877616), (122, 11465576), (134, 10438808), (244, 5732788), (268, 5219404), (488, 2866394), (536, 2609702), (976, 1433197), (1072, 1304851), (4087, 342256), (8174, 171128), (16348, 85564), (21391, 65392), (32696, 42782)]