201321130

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{649423}}^1$

素因数の和:649461

約数の個数: 16

約数和(自身を含む): 374068224

約数和(自身を除く): 172747094

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 649423, 1298846, 3247115, 6494230, 20132113, 40264226, 100660565, 201321130]

約数ペア:

[(1, 201321130), (2, 100660565), (5, 40264226), (10, 20132113), (31, 6494230), (62, 3247115), (155, 1298846), (310, 649423)]