161888705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 232232832

約数和(自身を除く): 70344127

約数列:

[1, 5, 11, 17, 41, 55, 85, 103, 187, 205, 451, 515, 697, 935, 1133, 1681, 1751, 2255, 3485, 4223, 5665, 7667, 8405, 8755, 18491, 19261, 21115, 28577, 38335, 46453, 71791, 92455, 96305, 142885, 173143, 232265, 314347, 358955, 789701, 865715, 1571735, 1904573, 2943431, 3948505, 9522865, 14717155, 32377741, 161888705]

約数ペア:

[(1, 161888705), (5, 32377741), (11, 14717155), (17, 9522865), (41, 3948505), (55, 2943431), (85, 1904573), (103, 1571735), (187, 865715), (205, 789701), (451, 358955), (515, 314347), (697, 232265), (935, 173143), (1133, 142885), (1681, 96305), (1751, 92455), (2255, 71791), (3485, 46453), (4223, 38335), (5665, 28577), (7667, 21115), (8405, 19261), (8755, 18491)]