128483964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16447}}^1$

素因数の和:16495

約数の個数: 72

約数和(自身を含む): 383172608

約数和(自身を除く): 254688644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 16447, 32894, 49341, 65788, 98682, 115129, 148023, 197364, 230258, 296046, 345387, 460516, 509857, 592092, 690774, 1019714, 1036161, 1381548, 1529571, 2039428, 2072322, 3059142, 3568999, 4144644, 4588713, 6118284, 7137998, 9177426, 10706997, 14275996, 18354852, 21413994, 32120991, 42827988, 64241982, 128483964]

約数ペア:

[(1, 128483964), (2, 64241982), (3, 42827988), (4, 32120991), (6, 21413994), (7, 18354852), (9, 14275996), (12, 10706997), (14, 9177426), (18, 7137998), (21, 6118284), (28, 4588713), (31, 4144644), (36, 3568999), (42, 3059142), (62, 2072322), (63, 2039428), (84, 1529571), (93, 1381548), (124, 1036161), (126, 1019714), (186, 690774), (217, 592092), (252, 509857), (279, 460516), (372, 345387), (434, 296046), (558, 230258), (651, 197364), (868, 148023), (1116, 115129), (1302, 98682), (1953, 65788), (2604, 49341), (3906, 32894), (7812, 16447)]