253069921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 294053760

約数和(自身を除く): 40983839

約数列:

[1, 13, 29, 43, 67, 233, 377, 559, 871, 1247, 1943, 2881, 3029, 6757, 10019, 15611, 16211, 25259, 37453, 83549, 87841, 130247, 202943, 290551, 452719, 671273, 1086137, 3777163, 5885347, 8726549, 19466917, 253069921]

約数ペア:

[(1, 253069921), (13, 19466917), (29, 8726549), (43, 5885347), (67, 3777163), (233, 1086137), (377, 671273), (559, 452719), (871, 290551), (1247, 202943), (1943, 130247), (2881, 87841), (3029, 83549), (6757, 37453), (10019, 25259), (15611, 16211)]