212231916

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1033}}^1$

素因数の和:1495

約数の個数: 72

約数和(自身を含む): 579619040

約数和(自身を除く): 367387124

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 439, 468, 878, 1033, 1317, 1756, 2066, 2634, 3099, 3951, 4132, 5268, 5707, 6198, 7902, 9297, 11414, 12396, 13429, 15804, 17121, 18594, 22828, 26858, 34242, 37188, 40287, 51363, 53716, 68484, 80574, 102726, 120861, 161148, 205452, 241722, 453487, 483444, 906974, 1360461, 1813948, 2720922, 4081383, 5441844, 5895331, 8162766, 11790662, 16325532, 17685993, 23581324, 35371986, 53057979, 70743972, 106115958, 212231916]

約数ペア:

[(1, 212231916), (2, 106115958), (3, 70743972), (4, 53057979), (6, 35371986), (9, 23581324), (12, 17685993), (13, 16325532), (18, 11790662), (26, 8162766), (36, 5895331), (39, 5441844), (52, 4081383), (78, 2720922), (117, 1813948), (156, 1360461), (234, 906974), (439, 483444), (468, 453487), (878, 241722), (1033, 205452), (1317, 161148), (1756, 120861), (2066, 102726), (2634, 80574), (3099, 68484), (3951, 53716), (4132, 51363), (5268, 40287), (5707, 37188), (6198, 34242), (7902, 26858), (9297, 22828), (11414, 18594), (12396, 17121), (13429, 15804)]