639442818

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{463}}^1$

素因数の和:688

約数の個数: 96

約数和(自身を含む): 1617348096

約数和(自身を除く): 977905278

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 97, 113, 126, 194, 226, 291, 339, 463, 582, 678, 679, 791, 873, 926, 1017, 1358, 1389, 1582, 1746, 2034, 2037, 2373, 2778, 3241, 4074, 4167, 4746, 6111, 6482, 7119, 8334, 9723, 10961, 12222, 14238, 19446, 21922, 29169, 32883, 44911, 52319, 58338, 65766, 76727, 89822, 98649, 104638, 134733, 153454, 156957, 197298, 230181, 269466, 313914, 314377, 366233, 404199, 460362, 470871, 628754, 690543, 732466, 808398, 941742, 943131, 1098699, 1381086, 1886262, 2197398, 2829393, 3296097, 5074943, 5658786, 6592194, 10149886, 15224829, 30449658, 35524601, 45674487, 71049202, 91348974, 106573803, 213147606, 319721409, 639442818]

約数ペア:

[(1, 639442818), (2, 319721409), (3, 213147606), (6, 106573803), (7, 91348974), (9, 71049202), (14, 45674487), (18, 35524601), (21, 30449658), (42, 15224829), (63, 10149886), (97, 6592194), (113, 5658786), (126, 5074943), (194, 3296097), (226, 2829393), (291, 2197398), (339, 1886262), (463, 1381086), (582, 1098699), (678, 943131), (679, 941742), (791, 808398), (873, 732466), (926, 690543), (1017, 628754), (1358, 470871), (1389, 460362), (1582, 404199), (1746, 366233), (2034, 314377), (2037, 313914), (2373, 269466), (2778, 230181), (3241, 197298), (4074, 156957), (4167, 153454), (4746, 134733), (6111, 104638), (6482, 98649), (7119, 89822), (8334, 76727), (9723, 65766), (10961, 58338), (12222, 52319), (14238, 44911), (19446, 32883), (21922, 29169)]