129721386

素因数分解:

$2^1\times 3^1\times {\mathrm{389}}^1\times {\mathrm{55579}}^1$

素因数の和:55973

約数の個数: 16

約数和(自身を含む): 260114400

約数和(自身を除く): 130393014

約数列:

[1, 2, 3, 6, 389, 778, 1167, 2334, 55579, 111158, 166737, 333474, 21620231, 43240462, 64860693, 129721386]

約数ペア:

[(1, 129721386), (2, 64860693), (3, 43240462), (6, 21620231), (389, 333474), (778, 166737), (1167, 111158), (2334, 55579)]