172921970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{7349}}^1$

素因数の和:7550

約数の個数: 32

約数和(自身を含む): 337100400

約数和(自身を除く): 164178430

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 181, 362, 905, 1810, 2353, 4706, 7349, 11765, 14698, 23530, 36745, 73490, 95537, 191074, 477685, 955370, 1330169, 2660338, 6650845, 13301690, 17292197, 34584394, 86460985, 172921970]

約数ペア:

[(1, 172921970), (2, 86460985), (5, 34584394), (10, 17292197), (13, 13301690), (26, 6650845), (65, 2660338), (130, 1330169), (181, 955370), (362, 477685), (905, 191074), (1810, 95537), (2353, 73490), (4706, 36745), (7349, 23530), (11765, 14698)]