258816176

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 545381760

約数和(自身を除く): 286565584

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 97, 131, 134, 152, 194, 262, 268, 304, 388, 524, 536, 776, 1048, 1072, 1273, 1552, 1843, 2096, 2489, 2546, 3686, 4978, 5092, 6499, 7372, 8777, 9956, 10184, 12707, 12998, 14744, 17554, 19912, 20368, 25414, 25996, 29488, 35108, 39824, 50828, 51992, 70216, 101656, 103984, 123481, 140432, 166763, 203312, 241433, 246962, 333526, 482866, 493924, 667052, 851369, 965732, 987848, 1334104, 1702738, 1931464, 1975696, 2668208, 3405476, 3862928, 6810952, 13621904, 16176011, 32352022, 64704044, 129408088, 258816176]

約数ペア:

[(1, 258816176), (2, 129408088), (4, 64704044), (8, 32352022), (16, 16176011), (19, 13621904), (38, 6810952), (67, 3862928), (76, 3405476), (97, 2668208), (131, 1975696), (134, 1931464), (152, 1702738), (194, 1334104), (262, 987848), (268, 965732), (304, 851369), (388, 667052), (524, 493924), (536, 482866), (776, 333526), (1048, 246962), (1072, 241433), (1273, 203312), (1552, 166763), (1843, 140432), (2096, 123481), (2489, 103984), (2546, 101656), (3686, 70216), (4978, 51992), (5092, 50828), (6499, 39824), (7372, 35108), (8777, 29488), (9956, 25996), (10184, 25414), (12707, 20368), (12998, 19912), (14744, 17554)]