1290499804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{73141}}^1$

素因数の和:73557

約数の個数: 24

約数和(自身を含む): 2469859056

約数和(自身を除く): 1179359252

約数列:

[1, 2, 4, 11, 22, 44, 401, 802, 1604, 4411, 8822, 17644, 73141, 146282, 292564, 804551, 1609102, 3218204, 29329541, 58659082, 117318164, 322624951, 645249902, 1290499804]

約数ペア:

[(1, 1290499804), (2, 645249902), (4, 322624951), (11, 117318164), (22, 58659082), (44, 29329541), (401, 3218204), (802, 1609102), (1604, 804551), (4411, 292564), (8822, 146282), (17644, 73141)]