131251802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1\times {\mathrm{421}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 221681664

約数和(自身を除く): 90429862

約数列:

[1, 2, 11, 22, 37, 74, 383, 407, 421, 766, 814, 842, 4213, 4631, 8426, 9262, 14171, 15577, 28342, 31154, 155881, 161243, 171347, 311762, 322486, 342694, 1773673, 3547346, 5965991, 11931982, 65625901, 131251802]

約数ペア:

[(1, 131251802), (2, 65625901), (11, 11931982), (22, 5965991), (37, 3547346), (74, 1773673), (383, 342694), (407, 322486), (421, 311762), (766, 171347), (814, 161243), (842, 155881), (4213, 31154), (4631, 28342), (8426, 15577), (9262, 14171)]