291256308

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67987}}^1$

素因数の和:68021

約数の個数: 72

約数和(自身を含む): 890914752

約数和(自身を除く): 599658444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 67987, 135974, 203961, 271948, 407922, 475909, 611883, 815844, 951818, 1155779, 1223766, 1427727, 1903636, 2311558, 2447532, 2855454, 3467337, 4283181, 4623116, 5710908, 6934674, 8090453, 8566362, 10402011, 13869348, 16180906, 17132724, 20804022, 24271359, 32361812, 41608044, 48542718, 72814077, 97085436, 145628154, 291256308]

約数ペア:

[(1, 291256308), (2, 145628154), (3, 97085436), (4, 72814077), (6, 48542718), (7, 41608044), (9, 32361812), (12, 24271359), (14, 20804022), (17, 17132724), (18, 16180906), (21, 13869348), (28, 10402011), (34, 8566362), (36, 8090453), (42, 6934674), (51, 5710908), (63, 4623116), (68, 4283181), (84, 3467337), (102, 2855454), (119, 2447532), (126, 2311558), (153, 1903636), (204, 1427727), (238, 1223766), (252, 1155779), (306, 951818), (357, 815844), (476, 611883), (612, 475909), (714, 407922), (1071, 271948), (1428, 203961), (2142, 135974), (4284, 67987)]