213059464

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{20921}}^1$

素因数の和:21013

約数の個数: 32

約数和(自身を含む): 426808800

約数和(自身を除く): 213749336

約数列:

[1, 2, 4, 8, 19, 38, 67, 76, 134, 152, 268, 536, 1273, 2546, 5092, 10184, 20921, 41842, 83684, 167368, 397499, 794998, 1401707, 1589996, 2803414, 3179992, 5606828, 11213656, 26632433, 53264866, 106529732, 213059464]

約数ペア:

[(1, 213059464), (2, 106529732), (4, 53264866), (8, 26632433), (19, 11213656), (38, 5606828), (67, 3179992), (76, 2803414), (134, 1589996), (152, 1401707), (268, 794998), (536, 397499), (1273, 167368), (2546, 83684), (5092, 41842), (10184, 20921)]