15997616

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:549

約数の個数: 40

約数和(自身を含む): 32427984

約数和(自身を除く): 16430368

約数列:

[1, 2, 4, 8, 16, 37, 61, 74, 122, 148, 244, 296, 443, 488, 592, 886, 976, 1772, 2257, 3544, 4514, 7088, 9028, 16391, 18056, 27023, 32782, 36112, 54046, 65564, 108092, 131128, 216184, 262256, 432368, 999851, 1999702, 3999404, 7998808, 15997616]

約数ペア:

[(1, 15997616), (2, 7998808), (4, 3999404), (8, 1999702), (16, 999851), (37, 432368), (61, 262256), (74, 216184), (122, 131128), (148, 108092), (244, 65564), (296, 54046), (443, 36112), (488, 32782), (592, 27023), (886, 18056), (976, 16391), (1772, 9028), (2257, 7088), (3544, 4514)]