28519452

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 84043232

約数和(自身を除く): 55523780

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 37, 39, 52, 54, 61, 74, 78, 81, 108, 111, 117, 122, 148, 156, 162, 183, 222, 234, 243, 244, 324, 333, 351, 366, 444, 468, 481, 486, 549, 666, 702, 732, 793, 962, 972, 999, 1053, 1098, 1332, 1404, 1443, 1586, 1647, 1924, 1998, 2106, 2196, 2257, 2379, 2886, 2997, 3159, 3172, 3294, 3996, 4212, 4329, 4514, 4758, 4941, 5772, 5994, 6318, 6588, 6771, 7137, 8658, 8991, 9028, 9516, 9882, 11988, 12636, 12987, 13542, 14274, 14823, 17316, 17982, 19764, 20313, 21411, 25974, 27084, 28548, 29341, 29646, 35964, 38961, 40626, 42822, 51948, 58682, 59292, 60939, 64233, 77922, 81252, 85644, 88023, 116883, 117364, 121878, 128466, 155844, 176046, 182817, 192699, 233766, 243756, 256932, 264069, 352092, 365634, 385398, 467532, 528138, 548451, 731268, 770796, 792207, 1056276, 1096902, 1584414, 2193804, 2376621, 3168828, 4753242, 7129863, 9506484, 14259726, 28519452]

約数ペア:

[(1, 28519452), (2, 14259726), (3, 9506484), (4, 7129863), (6, 4753242), (9, 3168828), (12, 2376621), (13, 2193804), (18, 1584414), (26, 1096902), (27, 1056276), (36, 792207), (37, 770796), (39, 731268), (52, 548451), (54, 528138), (61, 467532), (74, 385398), (78, 365634), (81, 352092), (108, 264069), (111, 256932), (117, 243756), (122, 233766), (148, 192699), (156, 182817), (162, 176046), (183, 155844), (222, 128466), (234, 121878), (243, 117364), (244, 116883), (324, 88023), (333, 85644), (351, 81252), (366, 77922), (444, 64233), (468, 60939), (481, 59292), (486, 58682), (549, 51948), (666, 42822), (702, 40626), (732, 38961), (793, 35964), (962, 29646), (972, 29341), (999, 28548), (1053, 27084), (1098, 25974), (1332, 21411), (1404, 20313), (1443, 19764), (1586, 17982), (1647, 17316), (1924, 14823), (1998, 14274), (2106, 13542), (2196, 12987), (2257, 12636), (2379, 11988), (2886, 9882), (2997, 9516), (3159, 9028), (3172, 8991), (3294, 8658), (3996, 7137), (4212, 6771), (4329, 6588), (4514, 6318), (4758, 5994), (4941, 5772)]