25201418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 42586560

約数和(自身を除く): 17385142

約数列:

[1, 2, 11, 22, 61, 89, 122, 178, 211, 422, 671, 979, 1342, 1958, 2321, 4642, 5429, 10858, 12871, 18779, 25742, 37558, 59719, 119438, 141581, 206569, 283162, 413138, 1145519, 2291038, 12600709, 25201418]

約数ペア:

[(1, 25201418), (2, 12600709), (11, 2291038), (22, 1145519), (61, 413138), (89, 283162), (122, 206569), (178, 141581), (211, 119438), (422, 59719), (671, 37558), (979, 25742), (1342, 18779), (1958, 12871), (2321, 10858), (4642, 5429)]