25212772

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 50646400

約数和(自身を除く): 25433628

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 151, 169, 247, 302, 338, 494, 604, 676, 988, 1963, 2197, 2869, 3211, 3926, 4394, 5738, 6422, 7852, 8788, 11476, 12844, 25519, 37297, 41743, 51038, 74594, 83486, 102076, 149188, 166972, 331747, 484861, 663494, 969722, 1326988, 1939444, 6303193, 12606386, 25212772]

約数ペア:

[(1, 25212772), (2, 12606386), (4, 6303193), (13, 1939444), (19, 1326988), (26, 969722), (38, 663494), (52, 484861), (76, 331747), (151, 166972), (169, 149188), (247, 102076), (302, 83486), (338, 74594), (494, 51038), (604, 41743), (676, 37297), (988, 25519), (1963, 12844), (2197, 11476), (2869, 8788), (3211, 7852), (3926, 6422), (4394, 5738)]