128293886

素因数分解:

$2^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 223134912

約数和(自身を除く): 94841026

約数列:

[1, 2, 7, 14, 181, 197, 257, 362, 394, 514, 1267, 1379, 1799, 2534, 2758, 3598, 35657, 46517, 50629, 71314, 93034, 101258, 249599, 325619, 354403, 499198, 651238, 708806, 9163849, 18327698, 64146943, 128293886]

約数ペア:

[(1, 128293886), (2, 64146943), (7, 18327698), (14, 9163849), (181, 708806), (197, 651238), (257, 499198), (362, 354403), (394, 325619), (514, 249599), (1267, 101258), (1379, 93034), (1799, 71314), (2534, 50629), (2758, 46517), (3598, 35657)]