128138948

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1093}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 264660480

約数和(自身を除く): 136521532

約数列:

[1, 2, 4, 7, 14, 28, 53, 79, 106, 158, 212, 316, 371, 553, 742, 1093, 1106, 1484, 2186, 2212, 4187, 4372, 7651, 8374, 15302, 16748, 29309, 30604, 57929, 58618, 86347, 115858, 117236, 172694, 231716, 345388, 405503, 604429, 811006, 1208858, 1622012, 2417716, 4576391, 9152782, 18305564, 32034737, 64069474, 128138948]

約数ペア:

[(1, 128138948), (2, 64069474), (4, 32034737), (7, 18305564), (14, 9152782), (28, 4576391), (53, 2417716), (79, 1622012), (106, 1208858), (158, 811006), (212, 604429), (316, 405503), (371, 345388), (553, 231716), (742, 172694), (1093, 117236), (1106, 115858), (1484, 86347), (2186, 58618), (2212, 57929), (4187, 30604), (4372, 29309), (7651, 16748), (8374, 15302)]