31493371

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 41545728

約数和(自身を除く): 10052357

約数列:

[1, 7, 13, 23, 41, 91, 161, 287, 299, 367, 533, 943, 2093, 2569, 3731, 4771, 6601, 8441, 12259, 15047, 33397, 59087, 85813, 105329, 109733, 195611, 346081, 768131, 1369277, 2422567, 4499053, 31493371]

約数ペア:

[(1, 31493371), (7, 4499053), (13, 2422567), (23, 1369277), (41, 768131), (91, 346081), (161, 195611), (287, 109733), (299, 105329), (367, 85813), (533, 59087), (943, 33397), (2093, 15047), (2569, 12259), (3731, 8441), (4771, 6601)]