491919616

素因数分解:

$2^8\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 108

約数和(自身を含む): 1069901140

約数和(自身を除く): 577981524

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 64, 68, 109, 122, 128, 136, 218, 244, 256, 272, 289, 436, 488, 544, 578, 872, 976, 1037, 1088, 1156, 1744, 1853, 1952, 2074, 2176, 2312, 3488, 3706, 3904, 4148, 4352, 4624, 6649, 6976, 7412, 7808, 8296, 9248, 13298, 13952, 14824, 15616, 16592, 17629, 18496, 26596, 27904, 29648, 31501, 33184, 35258, 36992, 53192, 59296, 63002, 66368, 70516, 73984, 106384, 113033, 118592, 126004, 132736, 141032, 212768, 226066, 237184, 252008, 265472, 282064, 425536, 452132, 474368, 504016, 564128, 851072, 904264, 1008032, 1128256, 1702144, 1808528, 1921561, 2016064, 2256512, 3617056, 3843122, 4032128, 4513024, 7234112, 7686244, 8064256, 14468224, 15372488, 28936448, 30744976, 61489952, 122979904, 245959808, 491919616]

約数ペア:

[(1, 491919616), (2, 245959808), (4, 122979904), (8, 61489952), (16, 30744976), (17, 28936448), (32, 15372488), (34, 14468224), (61, 8064256), (64, 7686244), (68, 7234112), (109, 4513024), (122, 4032128), (128, 3843122), (136, 3617056), (218, 2256512), (244, 2016064), (256, 1921561), (272, 1808528), (289, 1702144), (436, 1128256), (488, 1008032), (544, 904264), (578, 851072), (872, 564128), (976, 504016), (1037, 474368), (1088, 452132), (1156, 425536), (1744, 282064), (1853, 265472), (1952, 252008), (2074, 237184), (2176, 226066), (2312, 212768), (3488, 141032), (3706, 132736), (3904, 126004), (4148, 118592), (4352, 113033), (4624, 106384), (6649, 73984), (6976, 70516), (7412, 66368), (7808, 63002), (8296, 59296), (9248, 53192), (13298, 36992), (13952, 35258), (14824, 33184), (15616, 31501), (16592, 29648), (17629, 27904), (18496, 26596)]