16839355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 22998528

約数和(自身を除く): 6159173

約数列:

[1, 5, 13, 31, 61, 65, 137, 155, 305, 403, 685, 793, 1781, 1891, 2015, 3965, 4247, 8357, 8905, 9455, 21235, 24583, 41785, 55211, 108641, 122915, 259067, 276055, 543205, 1295335, 3367871, 16839355]

約数ペア:

[(1, 16839355), (5, 3367871), (13, 1295335), (31, 543205), (61, 276055), (65, 259067), (137, 122915), (155, 108641), (305, 55211), (403, 41785), (685, 24583), (793, 21235), (1781, 9455), (1891, 8905), (2015, 8357), (3965, 4247)]