16140905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 22819968

約数和(自身を除く): 6679063

約数列:

[1, 5, 11, 17, 55, 61, 85, 187, 283, 305, 671, 935, 1037, 1415, 3113, 3355, 4811, 5185, 11407, 15565, 17263, 24055, 52921, 57035, 86315, 189893, 264605, 293471, 949465, 1467355, 3228181, 16140905]

約数ペア:

[(1, 16140905), (5, 3228181), (11, 1467355), (17, 949465), (55, 293471), (61, 264605), (85, 189893), (187, 86315), (283, 57035), (305, 52921), (671, 24055), (935, 17263), (1037, 15565), (1415, 11407), (3113, 5185), (3355, 4811)]