81936648

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{30757}}^1$

素因数の和:30806

約数の個数: 48

約数和(自身を含む): 227916780

約数和(自身を除く): 145980132

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 30757, 61514, 92271, 123028, 184542, 246056, 276813, 369084, 553626, 738168, 1107252, 1138009, 2214504, 2276018, 3414027, 4552036, 6828054, 9104072, 10242081, 13656108, 20484162, 27312216, 40968324, 81936648]

約数ペア:

[(1, 81936648), (2, 40968324), (3, 27312216), (4, 20484162), (6, 13656108), (8, 10242081), (9, 9104072), (12, 6828054), (18, 4552036), (24, 3414027), (36, 2276018), (37, 2214504), (72, 1138009), (74, 1107252), (111, 738168), (148, 553626), (222, 369084), (296, 276813), (333, 246056), (444, 184542), (666, 123028), (888, 92271), (1332, 61514), (2664, 30757)]