251131421945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{13043}}^1$

素因数の和:13274

約数の個数: 64

約数和(自身を含む): 337762379520

約数和(自身を除く): 86630957575

約数列:

[1, 5, 17, 29, 73, 85, 107, 145, 365, 493, 535, 1241, 1819, 2117, 2465, 3103, 6205, 7811, 9095, 10585, 13043, 15515, 35989, 39055, 52751, 65215, 132787, 179945, 221731, 226519, 263755, 378247, 663935, 952139, 1108655, 1132595, 1395601, 1891235, 3850823, 4760695, 6430199, 6978005, 16186363, 19254115, 23725217, 27612031, 32150995, 40472429, 80931815, 101878873, 118626085, 138060155, 202362145, 469404527, 509394365, 688031293, 1731940841, 2347022635, 2954487317, 3440156465, 8659704205, 14772436585, 50226284389, 251131421945]

約数ペア:

[(1, 251131421945), (5, 50226284389), (17, 14772436585), (29, 8659704205), (73, 3440156465), (85, 2954487317), (107, 2347022635), (145, 1731940841), (365, 688031293), (493, 509394365), (535, 469404527), (1241, 202362145), (1819, 138060155), (2117, 118626085), (2465, 101878873), (3103, 80931815), (6205, 40472429), (7811, 32150995), (9095, 27612031), (10585, 23725217), (13043, 19254115), (15515, 16186363), (35989, 6978005), (39055, 6430199), (52751, 4760695), (65215, 3850823), (132787, 1891235), (179945, 1395601), (221731, 1132595), (226519, 1108655), (263755, 952139), (378247, 663935)]