81278962

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{21491}}^1$

素因数の和:21585

約数の個数: 16

約数和(自身を含む): 127920384

約数和(自身を除く): 46641422

約数列:

[1, 2, 31, 61, 62, 122, 1891, 3782, 21491, 42982, 666221, 1310951, 1332442, 2621902, 40639481, 81278962]

約数ペア:

[(1, 81278962), (2, 40639481), (31, 2621902), (61, 1332442), (62, 1310951), (122, 666221), (1891, 42982), (3782, 21491)]