78135988

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 166290432

約数和(自身を除く): 88154444

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 73, 86, 98, 127, 146, 172, 196, 254, 292, 301, 508, 511, 602, 889, 1022, 1204, 1778, 2044, 2107, 3139, 3556, 3577, 4214, 5461, 6223, 6278, 7154, 8428, 9271, 10922, 12446, 12556, 14308, 18542, 21844, 21973, 24892, 37084, 38227, 43946, 64897, 76454, 87892, 129794, 152908, 153811, 259588, 267589, 307622, 398653, 454279, 535178, 615244, 797306, 908558, 1070356, 1594612, 1817116, 2790571, 5581142, 11162284, 19533997, 39067994, 78135988]

約数ペア:

[(1, 78135988), (2, 39067994), (4, 19533997), (7, 11162284), (14, 5581142), (28, 2790571), (43, 1817116), (49, 1594612), (73, 1070356), (86, 908558), (98, 797306), (127, 615244), (146, 535178), (172, 454279), (196, 398653), (254, 307622), (292, 267589), (301, 259588), (508, 153811), (511, 152908), (602, 129794), (889, 87892), (1022, 76454), (1204, 64897), (1778, 43946), (2044, 38227), (2107, 37084), (3139, 24892), (3556, 21973), (3577, 21844), (4214, 18542), (5461, 14308), (6223, 12556), (6278, 12446), (7154, 10922), (8428, 9271)]