31800076

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^2$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 73495296

約数和(自身を除く): 41695220

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 67, 77, 92, 134, 154, 161, 253, 268, 308, 322, 469, 506, 644, 737, 938, 1012, 1474, 1541, 1771, 1876, 2948, 3082, 3542, 4489, 5159, 6164, 7084, 8978, 10318, 10787, 16951, 17956, 20636, 21574, 31423, 33902, 43148, 49379, 62846, 67804, 98758, 103247, 118657, 125692, 197516, 206494, 237314, 345653, 412988, 474628, 691306, 722729, 1135717, 1382612, 1445458, 2271434, 2890916, 4542868, 7950019, 15900038, 31800076]

約数ペア:

[(1, 31800076), (2, 15900038), (4, 7950019), (7, 4542868), (11, 2890916), (14, 2271434), (22, 1445458), (23, 1382612), (28, 1135717), (44, 722729), (46, 691306), (67, 474628), (77, 412988), (92, 345653), (134, 237314), (154, 206494), (161, 197516), (253, 125692), (268, 118657), (308, 103247), (322, 98758), (469, 67804), (506, 62846), (644, 49379), (737, 43148), (938, 33902), (1012, 31423), (1474, 21574), (1541, 20636), (1771, 17956), (1876, 16951), (2948, 10787), (3082, 10318), (3542, 8978), (4489, 7084), (5159, 6164)]