664803568

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7853}}^1$

素因数の和:7922

約数の個数: 80

約数和(自身を含む): 1554338016

約数和(自身を除く): 889534448

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 37, 44, 52, 74, 88, 104, 143, 148, 176, 208, 286, 296, 407, 481, 572, 592, 814, 962, 1144, 1628, 1924, 2288, 3256, 3848, 5291, 6512, 7696, 7853, 10582, 15706, 21164, 31412, 42328, 62824, 84656, 86383, 102089, 125648, 172766, 204178, 290561, 345532, 408356, 581122, 691064, 816712, 1122979, 1162244, 1382128, 1633424, 2245958, 2324488, 3196171, 3777293, 4491916, 4648976, 6392342, 7554586, 8983832, 12784684, 15109172, 17967664, 25569368, 30218344, 41550223, 51138736, 60436688, 83100446, 166200892, 332401784, 664803568]

約数ペア:

[(1, 664803568), (2, 332401784), (4, 166200892), (8, 83100446), (11, 60436688), (13, 51138736), (16, 41550223), (22, 30218344), (26, 25569368), (37, 17967664), (44, 15109172), (52, 12784684), (74, 8983832), (88, 7554586), (104, 6392342), (143, 4648976), (148, 4491916), (176, 3777293), (208, 3196171), (286, 2324488), (296, 2245958), (407, 1633424), (481, 1382128), (572, 1162244), (592, 1122979), (814, 816712), (962, 691064), (1144, 581122), (1628, 408356), (1924, 345532), (2288, 290561), (3256, 204178), (3848, 172766), (5291, 125648), (6512, 102089), (7696, 86383), (7853, 84656), (10582, 62824), (15706, 42328), (21164, 31412)]