81385596

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1873}}^1$

素因数の和:1971

約数の個数: 72

約数和(自身を含む): 221012064

約数和(自身を除く): 139626468

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 71, 102, 142, 153, 204, 213, 284, 306, 426, 612, 639, 852, 1207, 1278, 1873, 2414, 2556, 3621, 3746, 4828, 5619, 7242, 7492, 10863, 11238, 14484, 16857, 21726, 22476, 31841, 33714, 43452, 63682, 67428, 95523, 127364, 132983, 191046, 265966, 286569, 382092, 398949, 531932, 573138, 797898, 1146276, 1196847, 1595796, 2260711, 2393694, 4521422, 4787388, 6782133, 9042844, 13564266, 20346399, 27128532, 40692798, 81385596]

約数ペア:

[(1, 81385596), (2, 40692798), (3, 27128532), (4, 20346399), (6, 13564266), (9, 9042844), (12, 6782133), (17, 4787388), (18, 4521422), (34, 2393694), (36, 2260711), (51, 1595796), (68, 1196847), (71, 1146276), (102, 797898), (142, 573138), (153, 531932), (204, 398949), (213, 382092), (284, 286569), (306, 265966), (426, 191046), (612, 132983), (639, 127364), (852, 95523), (1207, 67428), (1278, 63682), (1873, 43452), (2414, 33714), (2556, 31841), (3621, 22476), (3746, 21726), (4828, 16857), (5619, 14484), (7242, 11238), (7492, 10863)]