25439128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 57647520

約数和(自身を除く): 32208392

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 37, 44, 52, 74, 88, 104, 143, 148, 286, 296, 407, 481, 572, 601, 814, 962, 1144, 1202, 1628, 1924, 2404, 3256, 3848, 4808, 5291, 6611, 7813, 10582, 13222, 15626, 21164, 22237, 26444, 31252, 42328, 44474, 52888, 62504, 85943, 88948, 171886, 177896, 244607, 289081, 343772, 489214, 578162, 687544, 978428, 1156324, 1956856, 2312648, 3179891, 6359782, 12719564, 25439128]

約数ペア:

[(1, 25439128), (2, 12719564), (4, 6359782), (8, 3179891), (11, 2312648), (13, 1956856), (22, 1156324), (26, 978428), (37, 687544), (44, 578162), (52, 489214), (74, 343772), (88, 289081), (104, 244607), (143, 177896), (148, 171886), (286, 88948), (296, 85943), (407, 62504), (481, 52888), (572, 44474), (601, 42328), (814, 31252), (962, 26444), (1144, 22237), (1202, 21164), (1628, 15626), (1924, 13222), (2404, 10582), (3256, 7813), (3848, 6611), (4808, 5291)]