991194888

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{22409}}^1$

素因数の和:22534

約数の個数: 64

約数和(自身を含む): 2635416000

約数和(自身を除く): 1644221112

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 97, 114, 152, 194, 228, 291, 388, 456, 582, 776, 1164, 1843, 2328, 3686, 5529, 7372, 11058, 14744, 22116, 22409, 44232, 44818, 67227, 89636, 134454, 179272, 268908, 425771, 537816, 851542, 1277313, 1703084, 2173673, 2554626, 3406168, 4347346, 5109252, 6521019, 8694692, 10218504, 13042038, 17389384, 26084076, 41299787, 52168152, 82599574, 123899361, 165199148, 247798722, 330398296, 495597444, 991194888]

約数ペア:

[(1, 991194888), (2, 495597444), (3, 330398296), (4, 247798722), (6, 165199148), (8, 123899361), (12, 82599574), (19, 52168152), (24, 41299787), (38, 26084076), (57, 17389384), (76, 13042038), (97, 10218504), (114, 8694692), (152, 6521019), (194, 5109252), (228, 4347346), (291, 3406168), (388, 2554626), (456, 2173673), (582, 1703084), (776, 1277313), (1164, 851542), (1843, 537816), (2328, 425771), (3686, 268908), (5529, 179272), (7372, 134454), (11058, 89636), (14744, 67227), (22116, 44818), (22409, 44232)]