16238495

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 24312960

約数和(自身を除く): 8074465

約数列:

[1, 5, 7, 13, 35, 65, 89, 91, 401, 445, 455, 623, 1157, 2005, 2807, 3115, 5213, 5785, 8099, 14035, 26065, 35689, 36491, 40495, 178445, 182455, 249823, 463957, 1249115, 2319785, 3247699, 16238495]

約数ペア:

[(1, 16238495), (5, 3247699), (7, 2319785), (13, 1249115), (35, 463957), (65, 249823), (89, 182455), (91, 178445), (401, 40495), (445, 36491), (455, 35689), (623, 26065), (1157, 14035), (2005, 8099), (2807, 5785), (3115, 5213)]