81784756

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 159364800

約数和(自身を除く): 77580044

約数列:

[1, 2, 4, 17, 29, 34, 58, 67, 68, 116, 134, 268, 493, 619, 986, 1139, 1238, 1943, 1972, 2278, 2476, 3886, 4556, 7772, 10523, 17951, 21046, 33031, 35902, 41473, 42092, 66062, 71804, 82946, 132124, 165892, 305167, 610334, 705041, 1202717, 1220668, 1410082, 2405434, 2820164, 4810868, 20446189, 40892378, 81784756]

約数ペア:

[(1, 81784756), (2, 40892378), (4, 20446189), (17, 4810868), (29, 2820164), (34, 2405434), (58, 1410082), (67, 1220668), (68, 1202717), (116, 705041), (134, 610334), (268, 305167), (493, 165892), (619, 132124), (986, 82946), (1139, 71804), (1238, 66062), (1943, 42092), (1972, 41473), (2278, 35902), (2476, 33031), (3886, 21046), (4556, 17951), (7772, 10523)]