1271302448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{21751}}^1$

素因数の和:22053

約数の個数: 40

約数和(自身を含む): 2662183776

約数和(自身を除く): 1390881328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 281, 562, 1124, 2248, 3653, 4496, 7306, 14612, 21751, 29224, 43502, 58448, 87004, 174008, 282763, 348016, 565526, 1131052, 2262104, 4524208, 6112031, 12224062, 24448124, 48896248, 79456403, 97792496, 158912806, 317825612, 635651224, 1271302448]

約数ペア:

[(1, 1271302448), (2, 635651224), (4, 317825612), (8, 158912806), (13, 97792496), (16, 79456403), (26, 48896248), (52, 24448124), (104, 12224062), (208, 6112031), (281, 4524208), (562, 2262104), (1124, 1131052), (2248, 565526), (3653, 348016), (4496, 282763), (7306, 174008), (14612, 87004), (21751, 58448), (29224, 43502)]