198679910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{138937}}^1$

素因数の和:138968

約数の個数: 32

約数和(自身を含む): 420148512

約数和(自身を除く): 221468602

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 138937, 277874, 694685, 1389370, 1528307, 1806181, 3056614, 3612362, 7641535, 9030905, 15283070, 18061810, 19867991, 39735982, 99339955, 198679910]

約数ペア:

[(1, 198679910), (2, 99339955), (5, 39735982), (10, 19867991), (11, 18061810), (13, 15283070), (22, 9030905), (26, 7641535), (55, 3612362), (65, 3056614), (110, 1806181), (130, 1528307), (143, 1389370), (286, 694685), (715, 277874), (1430, 138937)]