31981202

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{23831}}^1$

素因数の和:23905

約数の個数: 16

約数和(自身を含む): 53193024

約数和(自身を除く): 21211822

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 23831, 47662, 262141, 524282, 1453691, 2907382, 15990601, 31981202]

約数ペア:

[(1, 31981202), (2, 15990601), (11, 2907382), (22, 1453691), (61, 524282), (122, 262141), (671, 47662), (1342, 23831)]