81360244

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1399}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 170598400

約数和(自身を除く): 89238156

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 67, 124, 134, 217, 268, 434, 469, 868, 938, 1399, 1876, 2077, 2798, 4154, 5596, 8308, 9793, 14539, 19586, 29078, 39172, 43369, 58156, 86738, 93733, 173476, 187466, 303583, 374932, 607166, 656131, 1214332, 1312262, 2624524, 2905723, 5811446, 11622892, 20340061, 40680122, 81360244]

約数ペア:

[(1, 81360244), (2, 40680122), (4, 20340061), (7, 11622892), (14, 5811446), (28, 2905723), (31, 2624524), (62, 1312262), (67, 1214332), (124, 656131), (134, 607166), (217, 374932), (268, 303583), (434, 187466), (469, 173476), (868, 93733), (938, 86738), (1399, 58156), (1876, 43369), (2077, 39172), (2798, 29078), (4154, 19586), (5596, 14539), (8308, 9793)]