890243532

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{647}}^1\times {\mathrm{1033}}^1$

素因数の和:1727

約数の個数: 72

約数和(自身を含む): 2316970656

約数和(自身を除く): 1426727124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 647, 666, 1033, 1294, 1332, 1941, 2066, 2588, 3099, 3882, 4132, 5823, 6198, 7764, 9297, 11646, 12396, 18594, 23292, 23939, 37188, 38221, 47878, 71817, 76442, 95756, 114663, 143634, 152884, 215451, 229326, 287268, 343989, 430902, 458652, 668351, 687978, 861804, 1336702, 1375956, 2005053, 2673404, 4010106, 6015159, 8020212, 12030318, 24060636, 24728987, 49457974, 74186961, 98915948, 148373922, 222560883, 296747844, 445121766, 890243532]

約数ペア:

[(1, 890243532), (2, 445121766), (3, 296747844), (4, 222560883), (6, 148373922), (9, 98915948), (12, 74186961), (18, 49457974), (36, 24728987), (37, 24060636), (74, 12030318), (111, 8020212), (148, 6015159), (222, 4010106), (333, 2673404), (444, 2005053), (647, 1375956), (666, 1336702), (1033, 861804), (1294, 687978), (1332, 668351), (1941, 458652), (2066, 430902), (2588, 343989), (3099, 287268), (3882, 229326), (4132, 215451), (5823, 152884), (6198, 143634), (7764, 114663), (9297, 95756), (11646, 76442), (12396, 71817), (18594, 47878), (23292, 38221), (23939, 37188)]