31384276

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 74833920

約数和(自身を除く): 43449644

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 31, 38, 44, 62, 76, 77, 124, 133, 154, 173, 209, 217, 266, 308, 341, 346, 418, 434, 532, 589, 682, 692, 836, 868, 1178, 1211, 1364, 1463, 1903, 2356, 2387, 2422, 2926, 3287, 3806, 4123, 4774, 4844, 5363, 5852, 6479, 6574, 7612, 8246, 9548, 10726, 12958, 13148, 13321, 16492, 21452, 23009, 25916, 26642, 36157, 37541, 45353, 46018, 53284, 58993, 72314, 75082, 90706, 92036, 101897, 117986, 144628, 150164, 181412, 203794, 235972, 253099, 407588, 412951, 506198, 713279, 825902, 1012396, 1120867, 1426558, 1651804, 2241734, 2853116, 4483468, 7846069, 15692138, 31384276]

約数ペア:

[(1, 31384276), (2, 15692138), (4, 7846069), (7, 4483468), (11, 2853116), (14, 2241734), (19, 1651804), (22, 1426558), (28, 1120867), (31, 1012396), (38, 825902), (44, 713279), (62, 506198), (76, 412951), (77, 407588), (124, 253099), (133, 235972), (154, 203794), (173, 181412), (209, 150164), (217, 144628), (266, 117986), (308, 101897), (341, 92036), (346, 90706), (418, 75082), (434, 72314), (532, 58993), (589, 53284), (682, 46018), (692, 45353), (836, 37541), (868, 36157), (1178, 26642), (1211, 25916), (1364, 23009), (1463, 21452), (1903, 16492), (2356, 13321), (2387, 13148), (2422, 12958), (2926, 10726), (3287, 9548), (3806, 8246), (4123, 7612), (4774, 6574), (4844, 6479), (5363, 5852)]