81670430

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{2417}}^1$

素因数の和:2564

約数の個数: 32

約数和(自身を含む): 153204480

約数和(自身を除く): 71534050

約数列:

[1, 2, 5, 10, 31, 62, 109, 155, 218, 310, 545, 1090, 2417, 3379, 4834, 6758, 12085, 16895, 24170, 33790, 74927, 149854, 263453, 374635, 526906, 749270, 1317265, 2634530, 8167043, 16334086, 40835215, 81670430]

約数ペア:

[(1, 81670430), (2, 40835215), (5, 16334086), (10, 8167043), (31, 2634530), (62, 1317265), (109, 749270), (155, 526906), (218, 374635), (310, 263453), (545, 149854), (1090, 74927), (2417, 33790), (3379, 24170), (4834, 16895), (6758, 12085)]