81300248

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{787}}^1$

素因数の和:1179

約数の個数: 32

約数和(自身を含む): 157206000

約数和(自身を除く): 75905752

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 349, 698, 787, 1396, 1574, 2792, 3148, 6296, 12913, 25826, 29119, 51652, 58238, 103304, 116476, 232952, 274663, 549326, 1098652, 2197304, 10162531, 20325062, 40650124, 81300248]

約数ペア:

[(1, 81300248), (2, 40650124), (4, 20325062), (8, 10162531), (37, 2197304), (74, 1098652), (148, 549326), (296, 274663), (349, 232952), (698, 116476), (787, 103304), (1396, 58238), (1574, 51652), (2792, 29119), (3148, 25826), (6296, 12913)]