25996845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 50964480

約数和(自身を除く): 24967635

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 83, 95, 105, 133, 157, 249, 285, 399, 415, 471, 581, 665, 785, 1099, 1245, 1577, 1743, 1995, 2355, 2905, 2983, 3297, 4731, 5495, 7885, 8715, 8949, 11039, 13031, 14915, 16485, 20881, 23655, 33117, 39093, 44745, 55195, 62643, 65155, 91217, 104405, 165585, 195465, 247589, 273651, 313215, 456085, 742767, 1237945, 1368255, 1733123, 3713835, 5199369, 8665615, 25996845]

約数ペア:

[(1, 25996845), (3, 8665615), (5, 5199369), (7, 3713835), (15, 1733123), (19, 1368255), (21, 1237945), (35, 742767), (57, 456085), (83, 313215), (95, 273651), (105, 247589), (133, 195465), (157, 165585), (249, 104405), (285, 91217), (399, 65155), (415, 62643), (471, 55195), (581, 44745), (665, 39093), (785, 33117), (1099, 23655), (1245, 20881), (1577, 16485), (1743, 14915), (1995, 13031), (2355, 11039), (2905, 8949), (2983, 8715), (3297, 7885), (4731, 5495)]