71965465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 102114432

約数和(自身を除く): 30148967

約数列:

[1, 5, 11, 13, 55, 65, 143, 251, 401, 715, 1255, 2005, 2761, 3263, 4411, 5213, 13805, 16315, 22055, 26065, 35893, 57343, 100651, 179465, 286715, 503255, 1107161, 1308463, 5535805, 6542315, 14393093, 71965465]

約数ペア:

[(1, 71965465), (5, 14393093), (11, 6542315), (13, 5535805), (55, 1308463), (65, 1107161), (143, 503255), (251, 286715), (401, 179465), (715, 100651), (1255, 57343), (2005, 35893), (2761, 26065), (3263, 22055), (4411, 16315), (5213, 13805)]