1720888908389

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{129221}}^1$

素因数の和:129518

約数の個数: 48

約数和(自身を含む): 2170805546880

約数和(自身を除く): 449916638491

約数列:

[1, 7, 17, 29, 119, 203, 227, 289, 493, 1589, 2023, 3451, 3859, 6583, 8381, 27013, 46081, 58667, 65603, 111911, 129221, 459221, 783377, 904547, 1902487, 2196757, 3747409, 13317409, 15377299, 26231863, 29333167, 37344869, 63705953, 205332169, 261414083, 445941671, 498663839, 850661843, 1083001201, 3490646873, 5954632901, 7581008407, 8477285263, 14461251331, 59340996841, 101228759317, 245841272627, 1720888908389]

約数ペア:

[(1, 1720888908389), (7, 245841272627), (17, 101228759317), (29, 59340996841), (119, 14461251331), (203, 8477285263), (227, 7581008407), (289, 5954632901), (493, 3490646873), (1589, 1083001201), (2023, 850661843), (3451, 498663839), (3859, 445941671), (6583, 261414083), (8381, 205332169), (27013, 63705953), (46081, 37344869), (58667, 29333167), (65603, 26231863), (111911, 15377299), (129221, 13317409), (459221, 3747409), (783377, 2196757), (904547, 1902487)]