81438830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{4903}}^1$

素因数の和:5072

約数の個数: 32

約数和(自身を含む): 161008128

約数和(自身を除く): 79569298

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 151, 302, 755, 1510, 1661, 3322, 4903, 8305, 9806, 16610, 24515, 49030, 53933, 107866, 269665, 539330, 740353, 1480706, 3701765, 7403530, 8143883, 16287766, 40719415, 81438830]

約数ペア:

[(1, 81438830), (2, 40719415), (5, 16287766), (10, 8143883), (11, 7403530), (22, 3701765), (55, 1480706), (110, 740353), (151, 539330), (302, 269665), (755, 107866), (1510, 53933), (1661, 49030), (3322, 24515), (4903, 16610), (8305, 9806)]