1281036986008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{11878171}}^1$

素因数の和:11878268

約数の個数: 64

約数和(自身を含む): 2783768389920

約数和(自身を除く): 1502731403912

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 61, 68, 104, 122, 136, 221, 244, 442, 488, 793, 884, 1037, 1586, 1768, 2074, 3172, 4148, 6344, 8296, 13481, 26962, 53924, 107848, 11878171, 23756342, 47512684, 95025368, 154416223, 201928907, 308832446, 403857814, 617664892, 724568431, 807715628, 1235329784, 1449136862, 1615431256, 2625075791, 2898273724, 5250151582, 5796547448, 9419389603, 10500303164, 12317663327, 18838779206, 21000606328, 24635326654, 37677558412, 49270653308, 75355116824, 98541306616, 160129623251, 320259246502, 640518493004, 1281036986008]

約数ペア:

[(1, 1281036986008), (2, 640518493004), (4, 320259246502), (8, 160129623251), (13, 98541306616), (17, 75355116824), (26, 49270653308), (34, 37677558412), (52, 24635326654), (61, 21000606328), (68, 18838779206), (104, 12317663327), (122, 10500303164), (136, 9419389603), (221, 5796547448), (244, 5250151582), (442, 2898273724), (488, 2625075791), (793, 1615431256), (884, 1449136862), (1037, 1235329784), (1586, 807715628), (1768, 724568431), (2074, 617664892), (3172, 403857814), (4148, 308832446), (6344, 201928907), (8296, 154416223), (13481, 95025368), (26962, 47512684), (53924, 23756342), (107848, 11878171)]