1290801538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 2240421120

約数和(自身を除く): 949619582

約数列:

[1, 2, 13, 23, 26, 46, 53, 106, 139, 278, 293, 299, 586, 598, 689, 1219, 1378, 1807, 2438, 3197, 3614, 3809, 6394, 6739, 7367, 7618, 13478, 14734, 15529, 15847, 31058, 31694, 40727, 41561, 81454, 83122, 87607, 95771, 169441, 175214, 191542, 201877, 338882, 357167, 403754, 529451, 714334, 936721, 1058902, 1873442, 2158531, 2202733, 4317062, 4405466, 4643171, 9286342, 12177373, 24354746, 28060903, 49646213, 56121806, 99292426, 645400769, 1290801538]

約数ペア:

[(1, 1290801538), (2, 645400769), (13, 99292426), (23, 56121806), (26, 49646213), (46, 28060903), (53, 24354746), (106, 12177373), (139, 9286342), (278, 4643171), (293, 4405466), (299, 4317062), (586, 2202733), (598, 2158531), (689, 1873442), (1219, 1058902), (1378, 936721), (1807, 714334), (2438, 529451), (3197, 403754), (3614, 357167), (3809, 338882), (6394, 201877), (6739, 191542), (7367, 175214), (7618, 169441), (13478, 95771), (14734, 87607), (15529, 83122), (15847, 81454), (31058, 41561), (31694, 40727)]