87991236

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:601

約数の個数: 72

約数和(自身を含む): 229267584

約数和(自身を除く): 141276348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 107, 159, 212, 214, 318, 321, 428, 431, 477, 636, 642, 862, 954, 963, 1284, 1293, 1724, 1908, 1926, 2586, 3852, 3879, 5172, 5671, 7758, 11342, 15516, 17013, 22684, 22843, 34026, 45686, 46117, 51039, 68052, 68529, 91372, 92234, 102078, 137058, 138351, 184468, 204156, 205587, 274116, 276702, 411174, 415053, 553404, 822348, 830106, 1660212, 2444201, 4888402, 7332603, 9776804, 14665206, 21997809, 29330412, 43995618, 87991236]

約数ペア:

[(1, 87991236), (2, 43995618), (3, 29330412), (4, 21997809), (6, 14665206), (9, 9776804), (12, 7332603), (18, 4888402), (36, 2444201), (53, 1660212), (106, 830106), (107, 822348), (159, 553404), (212, 415053), (214, 411174), (318, 276702), (321, 274116), (428, 205587), (431, 204156), (477, 184468), (636, 138351), (642, 137058), (862, 102078), (954, 92234), (963, 91372), (1284, 68529), (1293, 68052), (1724, 51039), (1908, 46117), (1926, 45686), (2586, 34026), (3852, 22843), (3879, 22684), (5172, 17013), (5671, 15516), (7758, 11342)]