201781918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1153}}^1$

素因数の和:1348

約数の個数: 32

約数和(自身を含む): 335010816

約数和(自身を除く): 133228898

約数列:

[1, 2, 13, 26, 53, 106, 127, 254, 689, 1153, 1378, 1651, 2306, 3302, 6731, 13462, 14989, 29978, 61109, 87503, 122218, 146431, 175006, 292862, 794417, 1588834, 1903603, 3807206, 7760843, 15521686, 100890959, 201781918]

約数ペア:

[(1, 201781918), (2, 100890959), (13, 15521686), (26, 7760843), (53, 3807206), (106, 1903603), (127, 1588834), (254, 794417), (689, 292862), (1153, 175006), (1378, 146431), (1651, 122218), (2306, 87503), (3302, 61109), (6731, 29978), (13462, 14989)]