31620784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2269}}^1$

素因数の和:2357

約数の個数: 40

約数和(自身を含む): 66992240

約数和(自身を除く): 35371456

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 2269, 3484, 4538, 6968, 9076, 13936, 18152, 29497, 36304, 58994, 117988, 152023, 235976, 304046, 471952, 608092, 1216184, 1976299, 2432368, 3952598, 7905196, 15810392, 31620784]

約数ペア:

[(1, 31620784), (2, 15810392), (4, 7905196), (8, 3952598), (13, 2432368), (16, 1976299), (26, 1216184), (52, 608092), (67, 471952), (104, 304046), (134, 235976), (208, 152023), (268, 117988), (536, 58994), (871, 36304), (1072, 29497), (1742, 18152), (2269, 13936), (3484, 9076), (4538, 6968)]