158981284

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3881}}^1$

素因数の和:3929

約数の個数: 72

約数和(自身を含む): 371740320

約数和(自身を除く): 212759036

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 196, 209, 266, 308, 418, 532, 539, 836, 931, 1078, 1463, 1862, 2156, 2926, 3724, 3881, 5852, 7762, 10241, 15524, 20482, 27167, 40964, 42691, 54334, 73739, 85382, 108668, 147478, 170764, 190169, 294956, 298837, 380338, 516173, 597674, 760676, 811129, 1032346, 1195348, 1622258, 2064692, 2091859, 3244516, 3613211, 4183718, 5677903, 7226422, 8367436, 11355806, 14452844, 22711612, 39745321, 79490642, 158981284]

約数ペア:

[(1, 158981284), (2, 79490642), (4, 39745321), (7, 22711612), (11, 14452844), (14, 11355806), (19, 8367436), (22, 7226422), (28, 5677903), (38, 4183718), (44, 3613211), (49, 3244516), (76, 2091859), (77, 2064692), (98, 1622258), (133, 1195348), (154, 1032346), (196, 811129), (209, 760676), (266, 597674), (308, 516173), (418, 380338), (532, 298837), (539, 294956), (836, 190169), (931, 170764), (1078, 147478), (1463, 108668), (1862, 85382), (2156, 73739), (2926, 54334), (3724, 42691), (3881, 40964), (5852, 27167), (7762, 20482), (10241, 15524)]