201521714

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{661}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 326021760

約数和(自身を除く): 124500046

約数列:

[1, 2, 19, 38, 71, 113, 142, 226, 661, 1322, 1349, 2147, 2698, 4294, 8023, 12559, 16046, 25118, 46931, 74693, 93862, 149386, 152437, 304874, 891689, 1419167, 1783378, 2838334, 5303203, 10606406, 100760857, 201521714]

約数ペア:

[(1, 201521714), (2, 100760857), (19, 10606406), (38, 5303203), (71, 2838334), (113, 1783378), (142, 1419167), (226, 891689), (661, 304874), (1322, 152437), (1349, 149386), (2147, 93862), (2698, 74693), (4294, 46931), (8023, 25118), (12559, 16046)]