127171256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^2\times {\mathrm{157}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 256102200

約数和(自身を除く): 128930944

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 157, 292, 314, 584, 628, 1256, 1387, 2774, 2983, 5329, 5548, 5966, 10658, 11096, 11461, 11932, 21316, 22922, 23864, 42632, 45844, 91688, 101251, 202502, 217759, 405004, 435518, 810008, 836653, 871036, 1673306, 1742072, 3346612, 6693224, 15896407, 31792814, 63585628, 127171256]

約数ペア:

[(1, 127171256), (2, 63585628), (4, 31792814), (8, 15896407), (19, 6693224), (38, 3346612), (73, 1742072), (76, 1673306), (146, 871036), (152, 836653), (157, 810008), (292, 435518), (314, 405004), (584, 217759), (628, 202502), (1256, 101251), (1387, 91688), (2774, 45844), (2983, 42632), (5329, 23864), (5548, 22922), (5966, 21316), (10658, 11932), (11096, 11461)]