81949906

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{2251}}^1$

素因数の和:2529

約数の個数: 16

約数和(自身を含む): 124850880

約数和(自身を除く): 42900974

約数列:

[1, 2, 109, 167, 218, 334, 2251, 4502, 18203, 36406, 245359, 375917, 490718, 751834, 40974953, 81949906]

約数ペア:

[(1, 81949906), (2, 40974953), (109, 751834), (167, 490718), (218, 375917), (334, 245359), (2251, 36406), (4502, 18203)]