7842221.00000000

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 205820160

約数和(自身を除く): 124920252

約数列:

[1, 2, 3, 4, 6, 12, 29, 37, 58, 61, 74, 87, 103, 111, 116, 122, 148, 174, 183, 206, 222, 244, 309, 348, 366, 412, 444, 618, 732, 1073, 1236, 1769, 2146, 2257, 2987, 3219, 3538, 3811, 4292, 4514, 5307, 5974, 6283, 6438, 6771, 7076, 7622, 8961, 9028, 10614, 11433, 11948, 12566, 12876, 13542, 15244, 17922, 18849, 21228, 22866, 25132, 27084, 35844, 37698, 45732, 65453, 75396, 110519, 130906, 182207, 196359, 221038, 232471, 261812, 331557, 364414, 392718, 442076, 464942, 546621, 663114, 697413, 728828, 785436, 929884, 1093242, 1326228, 1394826, 2186484, 2789652, 6741659, 13483318, 20224977, 26966636, 40449954, 80899908]

約数ペア:

[(1, 80899908), (2, 40449954), (3, 26966636), (4, 20224977), (6, 13483318), (12, 6741659), (29, 2789652), (37, 2186484), (58, 1394826), (61, 1326228), (74, 1093242), (87, 929884), (103, 785436), (111, 728828), (116, 697413), (122, 663114), (148, 546621), (174, 464942), (183, 442076), (206, 392718), (222, 364414), (244, 331557), (309, 261812), (348, 232471), (366, 221038), (412, 196359), (444, 182207), (618, 130906), (732, 110519), (1073, 75396), (1236, 65453), (1769, 45732), (2146, 37698), (2257, 35844), (2987, 27084), (3219, 25132), (3538, 22866), (3811, 21228), (4292, 18849), (4514, 17922), (5307, 15244), (5974, 13542), (6283, 12876), (6438, 12566), (6771, 11948), (7076, 11433), (7622, 10614), (8961, 9028)]