28271468

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 54848640

約数和(自身を除く): 26577172

約数列:

[1, 2, 4, 19, 38, 41, 43, 76, 82, 86, 164, 172, 211, 422, 779, 817, 844, 1558, 1634, 1763, 3116, 3268, 3526, 4009, 7052, 8018, 8651, 9073, 16036, 17302, 18146, 33497, 34604, 36292, 66994, 133988, 164369, 172387, 328738, 344774, 371993, 657476, 689548, 743986, 1487972, 7067867, 14135734, 28271468]

約数ペア:

[(1, 28271468), (2, 14135734), (4, 7067867), (19, 1487972), (38, 743986), (41, 689548), (43, 657476), (76, 371993), (82, 344774), (86, 328738), (164, 172387), (172, 164369), (211, 133988), (422, 66994), (779, 36292), (817, 34604), (844, 33497), (1558, 18146), (1634, 17302), (1763, 16036), (3116, 9073), (3268, 8651), (3526, 8018), (4009, 7052)]