1994152004

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2213}}^1$

素因数の和:2317

約数の個数: 72

約数和(自身を含む): 3993276672

約数和(自身を除く): 1999124668

約数列:

[1, 2, 4, 13, 26, 31, 43, 52, 62, 86, 124, 169, 172, 338, 403, 559, 676, 806, 1118, 1333, 1612, 2213, 2236, 2666, 4426, 5239, 5332, 7267, 8852, 10478, 14534, 17329, 20956, 28769, 29068, 34658, 57538, 68603, 69316, 95159, 115076, 137206, 190318, 225277, 274412, 373997, 380636, 450554, 747994, 891839, 901108, 1237067, 1495988, 1783678, 2474134, 2949929, 3567356, 4948268, 5899858, 11593907, 11799716, 16081871, 23187814, 32163742, 38349077, 46375628, 64327484, 76698154, 153396308, 498538001, 997076002, 1994152004]

約数ペア:

[(1, 1994152004), (2, 997076002), (4, 498538001), (13, 153396308), (26, 76698154), (31, 64327484), (43, 46375628), (52, 38349077), (62, 32163742), (86, 23187814), (124, 16081871), (169, 11799716), (172, 11593907), (338, 5899858), (403, 4948268), (559, 3567356), (676, 2949929), (806, 2474134), (1118, 1783678), (1333, 1495988), (1612, 1237067), (2213, 901108), (2236, 891839), (2666, 747994), (4426, 450554), (5239, 380636), (5332, 373997), (7267, 274412), (8852, 225277), (10478, 190318), (14534, 137206), (17329, 115076), (20956, 95159), (28769, 69316), (29068, 68603), (34658, 57538)]