1556778128

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{41777}}^1$

素因数の和:41939

約数の個数: 40

約数和(自身を含む): 3217073112

約数和(自身を除く): 1660294984

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 137, 272, 274, 548, 1096, 2192, 2329, 4658, 9316, 18632, 37264, 41777, 83554, 167108, 334216, 668432, 710209, 1420418, 2840836, 5681672, 5723449, 11363344, 11446898, 22893796, 45787592, 91575184, 97298633, 194597266, 389194532, 778389064, 1556778128]

約数ペア:

[(1, 1556778128), (2, 778389064), (4, 389194532), (8, 194597266), (16, 97298633), (17, 91575184), (34, 45787592), (68, 22893796), (136, 11446898), (137, 11363344), (272, 5723449), (274, 5681672), (548, 2840836), (1096, 1420418), (2192, 710209), (2329, 668432), (4658, 334216), (9316, 167108), (18632, 83554), (37264, 41777)]