15961616

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1019}}^1$

素因数の和:1127

約数の個数: 40

約数和(自身を含む): 34149600

約数和(自身を除く): 18187984

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1019, 1424, 1958, 2038, 3916, 4076, 7832, 8152, 11209, 15664, 16304, 22418, 44836, 89672, 90691, 179344, 181382, 362764, 725528, 997601, 1451056, 1995202, 3990404, 7980808, 15961616]

約数ペア:

[(1, 15961616), (2, 7980808), (4, 3990404), (8, 1995202), (11, 1451056), (16, 997601), (22, 725528), (44, 362764), (88, 181382), (89, 179344), (176, 90691), (178, 89672), (356, 44836), (712, 22418), (979, 16304), (1019, 15664), (1424, 11209), (1958, 8152), (2038, 7832), (3916, 4076)]