208302008

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{7907}}^1$

素因数の和:8039

約数の個数: 32

約数和(自身を含む): 405680400

約数和(自身を除く): 197378392

約数列:

[1, 2, 4, 8, 37, 74, 89, 148, 178, 296, 356, 712, 3293, 6586, 7907, 13172, 15814, 26344, 31628, 63256, 292559, 585118, 703723, 1170236, 1407446, 2340472, 2814892, 5629784, 26037751, 52075502, 104151004, 208302008]

約数ペア:

[(1, 208302008), (2, 104151004), (4, 52075502), (8, 26037751), (37, 5629784), (74, 2814892), (89, 2340472), (148, 1407446), (178, 1170236), (296, 703723), (356, 585118), (712, 292559), (3293, 63256), (6586, 31628), (7907, 26344), (13172, 15814)]