642218096

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{75307}}^1$

素因数の和:75369

約数の個数: 40

約数和(自身を含む): 1372714224

約数和(自身を除く): 730496128

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2132, 4264, 8528, 75307, 150614, 301228, 602456, 978991, 1204912, 1957982, 3087587, 3915964, 6175174, 7831928, 12350348, 15663856, 24700696, 40138631, 49401392, 80277262, 160554524, 321109048, 642218096]

約数ペア:

[(1, 642218096), (2, 321109048), (4, 160554524), (8, 80277262), (13, 49401392), (16, 40138631), (26, 24700696), (41, 15663856), (52, 12350348), (82, 7831928), (104, 6175174), (164, 3915964), (208, 3087587), (328, 1957982), (533, 1204912), (656, 978991), (1066, 602456), (2132, 301228), (4264, 150614), (8528, 75307)]