1404790465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{2161}}^1$

素因数の和:2389

約数の個数: 32

約数和(自身を含む): 1854580896

約数和(自身を除く): 449790431

約数列:

[1, 5, 13, 65, 73, 137, 365, 685, 949, 1781, 2161, 4745, 8905, 10001, 10805, 28093, 50005, 130013, 140465, 157753, 296057, 650065, 788765, 1480285, 2050789, 3848741, 10253945, 19243705, 21612161, 108060805, 280958093, 1404790465]

約数ペア:

[(1, 1404790465), (5, 280958093), (13, 108060805), (65, 21612161), (73, 19243705), (137, 10253945), (365, 3848741), (685, 2050789), (949, 1480285), (1781, 788765), (2161, 650065), (4745, 296057), (8905, 157753), (10001, 140465), (10805, 130013), (28093, 50005)]