264784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:107

約数の個数: 40

約数和(自身を含む): 590240

約数和(自身を除く): 325456

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 67, 76, 104, 134, 152, 208, 247, 268, 304, 494, 536, 871, 988, 1072, 1273, 1742, 1976, 2546, 3484, 3952, 5092, 6968, 10184, 13936, 16549, 20368, 33098, 66196, 132392, 264784]

約数ペア:

[(1, 264784), (2, 132392), (4, 66196), (8, 33098), (13, 20368), (16, 16549), (19, 13936), (26, 10184), (38, 6968), (52, 5092), (67, 3952), (76, 3484), (104, 2546), (134, 1976), (152, 1742), (208, 1273), (247, 1072), (268, 988), (304, 871), (494, 536)]