25748008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 57697920

約数和(自身を除く): 31949912

約数列:

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

約数ペア:

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