28219786

素因数分解:

$2^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{1907}}^1$

素因数の和:2074

約数の個数: 24

約数和(自身を含む): 49592736

約数和(自身を除く): 21372950

約数列:

[1, 2, 7, 14, 49, 98, 151, 302, 1057, 1907, 2114, 3814, 7399, 13349, 14798, 26698, 93443, 186886, 287957, 575914, 2015699, 4031398, 14109893, 28219786]

約数ペア:

[(1, 28219786), (2, 14109893), (7, 4031398), (14, 2015699), (49, 575914), (98, 287957), (151, 186886), (302, 93443), (1057, 26698), (1907, 14798), (2114, 13349), (3814, 7399)]