261028488

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:924

約数の個数: 128

約数和(自身を含む): 782496000

約数和(自身を除く): 521467512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 49, 56, 74, 84, 98, 111, 147, 148, 168, 196, 222, 259, 294, 296, 343, 392, 444, 518, 588, 686, 777, 857, 888, 1029, 1036, 1176, 1372, 1554, 1714, 1813, 2058, 2072, 2571, 2744, 3108, 3428, 3626, 4116, 5142, 5439, 5999, 6216, 6856, 7252, 8232, 10284, 10878, 11998, 12691, 14504, 17997, 20568, 21756, 23996, 25382, 31709, 35994, 38073, 41993, 43512, 47992, 50764, 63418, 71988, 76146, 83986, 95127, 101528, 125979, 126836, 143976, 152292, 167972, 190254, 221963, 251958, 253672, 293951, 304584, 335944, 380508, 443926, 503916, 587902, 665889, 761016, 881853, 887852, 1007832, 1175804, 1331778, 1553741, 1763706, 1775704, 2351608, 2663556, 3107482, 3527412, 4661223, 5327112, 6214964, 7054824, 9322446, 10876187, 12429928, 18644892, 21752374, 32628561, 37289784, 43504748, 65257122, 87009496, 130514244, 261028488]

約数ペア:

[(1, 261028488), (2, 130514244), (3, 87009496), (4, 65257122), (6, 43504748), (7, 37289784), (8, 32628561), (12, 21752374), (14, 18644892), (21, 12429928), (24, 10876187), (28, 9322446), (37, 7054824), (42, 6214964), (49, 5327112), (56, 4661223), (74, 3527412), (84, 3107482), (98, 2663556), (111, 2351608), (147, 1775704), (148, 1763706), (168, 1553741), (196, 1331778), (222, 1175804), (259, 1007832), (294, 887852), (296, 881853), (343, 761016), (392, 665889), (444, 587902), (518, 503916), (588, 443926), (686, 380508), (777, 335944), (857, 304584), (888, 293951), (1029, 253672), (1036, 251958), (1176, 221963), (1372, 190254), (1554, 167972), (1714, 152292), (1813, 143976), (2058, 126836), (2072, 125979), (2571, 101528), (2744, 95127), (3108, 83986), (3428, 76146), (3626, 71988), (4116, 63418), (5142, 50764), (5439, 47992), (5999, 43512), (6216, 41993), (6856, 38073), (7252, 35994), (8232, 31709), (10284, 25382), (10878, 23996), (11998, 21756), (12691, 20568), (14504, 17997)]