219399856

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1979}}^1$

素因数の和:2054

約数の個数: 60

約数和(自身を含む): 471766680

約数和(自身を除く): 252366824

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 169, 208, 328, 338, 533, 656, 676, 1066, 1352, 1979, 2132, 2704, 3958, 4264, 6929, 7916, 8528, 13858, 15832, 25727, 27716, 31664, 51454, 55432, 81139, 102908, 110864, 162278, 205816, 324556, 334451, 411632, 649112, 668902, 1054807, 1298224, 1337804, 2109614, 2675608, 4219228, 5351216, 8438456, 13712491, 16876912, 27424982, 54849964, 109699928, 219399856]

約数ペア:

[(1, 219399856), (2, 109699928), (4, 54849964), (8, 27424982), (13, 16876912), (16, 13712491), (26, 8438456), (41, 5351216), (52, 4219228), (82, 2675608), (104, 2109614), (164, 1337804), (169, 1298224), (208, 1054807), (328, 668902), (338, 649112), (533, 411632), (656, 334451), (676, 324556), (1066, 205816), (1352, 162278), (1979, 110864), (2132, 102908), (2704, 81139), (3958, 55432), (4264, 51454), (6929, 31664), (7916, 27716), (8528, 25727), (13858, 15832)]