81647904

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65423}}^1$

素因数の和:65449

約数の個数: 48

約数和(自身を含む): 230815872

約数和(自身を除く): 149167968

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 65423, 130846, 196269, 261692, 392538, 523384, 785076, 850499, 1046768, 1570152, 1700998, 2093536, 2551497, 3140304, 3401996, 5102994, 6280608, 6803992, 10205988, 13607984, 20411976, 27215968, 40823952, 81647904]

約数ペア:

[(1, 81647904), (2, 40823952), (3, 27215968), (4, 20411976), (6, 13607984), (8, 10205988), (12, 6803992), (13, 6280608), (16, 5102994), (24, 3401996), (26, 3140304), (32, 2551497), (39, 2093536), (48, 1700998), (52, 1570152), (78, 1046768), (96, 850499), (104, 785076), (156, 523384), (208, 392538), (312, 261692), (416, 196269), (624, 130846), (1248, 65423)]