56872915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 77837760

約数和(自身を除く): 20964845

約数列:

[1, 5, 11, 29, 55, 145, 181, 197, 319, 905, 985, 1595, 1991, 2167, 5249, 5713, 9955, 10835, 26245, 28565, 35657, 57739, 62843, 178285, 288695, 314215, 392227, 1034053, 1961135, 5170265, 11374583, 56872915]

約数ペア:

[(1, 56872915), (5, 11374583), (11, 5170265), (29, 1961135), (55, 1034053), (145, 392227), (181, 314215), (197, 288695), (319, 178285), (905, 62843), (985, 57739), (1595, 35657), (1991, 28565), (2167, 26245), (5249, 10835), (5713, 9955)]