401553616

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{258733}}^1$

素因数の和:258838

約数の個数: 20

約数和(自身を含む): 786033892

約数和(自身を除く): 384480276

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 258733, 517466, 1034932, 2069864, 4139728, 25097101, 50194202, 100388404, 200776808, 401553616]

約数ペア:

[(1, 401553616), (2, 200776808), (4, 100388404), (8, 50194202), (16, 25097101), (97, 4139728), (194, 2069864), (388, 1034932), (776, 517466), (1552, 258733)]