328701890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{69493}}^1$

素因数の和:69554

約数の個数: 32

約数和(自身を含む): 660470976

約数和(自身を除く): 331769086

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 69493, 138986, 347465, 694930, 764423, 1528846, 2988199, 3822115, 5976398, 7644230, 14940995, 29881990, 32870189, 65740378, 164350945, 328701890]

約数ペア:

[(1, 328701890), (2, 164350945), (5, 65740378), (10, 32870189), (11, 29881990), (22, 14940995), (43, 7644230), (55, 5976398), (86, 3822115), (110, 2988199), (215, 1528846), (430, 764423), (473, 694930), (946, 347465), (2365, 138986), (4730, 69493)]