51496016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 119242368

約数和(自身を除く): 67746352

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 71, 88, 104, 142, 143, 176, 208, 284, 286, 317, 568, 572, 634, 781, 923, 1136, 1144, 1268, 1562, 1846, 2288, 2536, 3124, 3487, 3692, 4121, 5072, 6248, 6974, 7384, 8242, 10153, 12496, 13948, 14768, 16484, 20306, 22507, 27896, 32968, 40612, 45014, 45331, 55792, 65936, 81224, 90028, 90662, 162448, 180056, 181324, 247577, 292591, 360112, 362648, 495154, 585182, 725296, 990308, 1170364, 1980616, 2340728, 3218501, 3961232, 4681456, 6437002, 12874004, 25748008, 51496016]

約数ペア:

[(1, 51496016), (2, 25748008), (4, 12874004), (8, 6437002), (11, 4681456), (13, 3961232), (16, 3218501), (22, 2340728), (26, 1980616), (44, 1170364), (52, 990308), (71, 725296), (88, 585182), (104, 495154), (142, 362648), (143, 360112), (176, 292591), (208, 247577), (284, 181324), (286, 180056), (317, 162448), (568, 90662), (572, 90028), (634, 81224), (781, 65936), (923, 55792), (1136, 45331), (1144, 45014), (1268, 40612), (1562, 32968), (1846, 27896), (2288, 22507), (2536, 20306), (3124, 16484), (3487, 14768), (3692, 13948), (4121, 12496), (5072, 10153), (6248, 8242), (6974, 7384)]