7881444

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 21010808

約数和(自身を除く): 13129364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 61, 74, 97, 111, 122, 148, 183, 194, 222, 244, 291, 333, 366, 388, 444, 549, 582, 666, 732, 873, 1098, 1164, 1332, 1746, 2196, 2257, 3492, 3589, 4514, 5917, 6771, 7178, 9028, 10767, 11834, 13542, 14356, 17751, 20313, 21534, 23668, 27084, 32301, 35502, 40626, 43068, 53253, 64602, 71004, 81252, 106506, 129204, 213012, 218929, 437858, 656787, 875716, 1313574, 1970361, 2627148, 3940722, 7881444]

約数ペア:

[(1, 7881444), (2, 3940722), (3, 2627148), (4, 1970361), (6, 1313574), (9, 875716), (12, 656787), (18, 437858), (36, 218929), (37, 213012), (61, 129204), (74, 106506), (97, 81252), (111, 71004), (122, 64602), (148, 53253), (183, 43068), (194, 40626), (222, 35502), (244, 32301), (291, 27084), (333, 23668), (366, 21534), (388, 20313), (444, 17751), (549, 14356), (582, 13542), (666, 11834), (732, 10767), (873, 9028), (1098, 7178), (1164, 6771), (1332, 5917), (1746, 4514), (2196, 3589), (2257, 3492)]