25691986

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 15676334

約数列:

[1, 2, 37, 47, 74, 83, 89, 94, 166, 178, 1739, 3071, 3293, 3478, 3901, 4183, 6142, 6586, 7387, 7802, 8366, 14774, 144337, 154771, 273319, 288674, 309542, 347189, 546638, 694378, 12845993, 25691986]

約数ペア:

[(1, 25691986), (2, 12845993), (37, 694378), (47, 546638), (74, 347189), (83, 309542), (89, 288674), (94, 273319), (166, 154771), (178, 144337), (1739, 14774), (3071, 8366), (3293, 7802), (3478, 7387), (3901, 6586), (4183, 6142)]