156640784

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:783

約数の個数: 40

約数和(自身を含む): 308456448

約数和(自身を除く): 151815664

約数列:

[1, 2, 4, 8, 16, 127, 157, 254, 314, 491, 508, 628, 982, 1016, 1256, 1964, 2032, 2512, 3928, 7856, 19939, 39878, 62357, 77087, 79756, 124714, 154174, 159512, 249428, 308348, 319024, 498856, 616696, 997712, 1233392, 9790049, 19580098, 39160196, 78320392, 156640784]

約数ペア:

[(1, 156640784), (2, 78320392), (4, 39160196), (8, 19580098), (16, 9790049), (127, 1233392), (157, 997712), (254, 616696), (314, 498856), (491, 319024), (508, 308348), (628, 249428), (982, 159512), (1016, 154174), (1256, 124714), (1964, 79756), (2032, 77087), (2512, 62357), (3928, 39878), (7856, 19939)]