291249273224

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19891}}^1\times {\mathrm{20113}}^1$

素因数の和:40030

約数の個数: 64

約数和(自身を含む): 672180915840

約数和(自身を除く): 380931642616

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 19891, 20113, 39782, 40226, 79564, 80452, 139237, 140791, 159128, 160904, 258583, 261469, 278474, 281582, 517166, 522938, 556948, 563164, 1034332, 1045876, 1113896, 1126328, 1810081, 1830283, 2068664, 2091752, 3620162, 3660566, 7240324, 7321132, 14480648, 14642264, 400067683, 800135366, 1600270732, 2800473781, 3200541464, 5200879879, 5600947562, 10401759758, 11201895124, 20803519516, 22403790248, 36406159153, 41607039032, 72812318306, 145624636612, 291249273224]

約数ペア:

[(1, 291249273224), (2, 145624636612), (4, 72812318306), (7, 41607039032), (8, 36406159153), (13, 22403790248), (14, 20803519516), (26, 11201895124), (28, 10401759758), (52, 5600947562), (56, 5200879879), (91, 3200541464), (104, 2800473781), (182, 1600270732), (364, 800135366), (728, 400067683), (19891, 14642264), (20113, 14480648), (39782, 7321132), (40226, 7240324), (79564, 3660566), (80452, 3620162), (139237, 2091752), (140791, 2068664), (159128, 1830283), (160904, 1810081), (258583, 1126328), (261469, 1113896), (278474, 1045876), (281582, 1034332), (517166, 563164), (522938, 556948)]