87544990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{15661}}^1$

素因数の和:15724

約数の個数: 32

約数和(自身を含む): 173660256

約数和(自身を除く): 86115266

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 15661, 31322, 78305, 156610, 203593, 407186, 673423, 1017965, 1346846, 2035930, 3367115, 6734230, 8754499, 17508998, 43772495, 87544990]

約数ペア:

[(1, 87544990), (2, 43772495), (5, 17508998), (10, 8754499), (13, 6734230), (26, 3367115), (43, 2035930), (65, 1346846), (86, 1017965), (130, 673423), (215, 407186), (430, 203593), (559, 156610), (1118, 78305), (2795, 31322), (5590, 15661)]