77456930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{997}}^1$

素因数の和:1478

約数の個数: 32

約数和(自身を含む): 148095216

約数和(自身を除く): 70638286

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 457, 914, 997, 1994, 2285, 4570, 4985, 7769, 9970, 15538, 16949, 33898, 38845, 77690, 84745, 169490, 455629, 911258, 2278145, 4556290, 7745693, 15491386, 38728465, 77456930]

約数ペア:

[(1, 77456930), (2, 38728465), (5, 15491386), (10, 7745693), (17, 4556290), (34, 2278145), (85, 911258), (170, 455629), (457, 169490), (914, 84745), (997, 77690), (1994, 38845), (2285, 33898), (4570, 16949), (4985, 15538), (7769, 9970)]