77479990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{7963}}^1$

素因数の和:8116

約数の個数: 32

約数和(自身を含む): 160554240

約数和(自身を除く): 83074250

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 7963, 9730, 15926, 39815, 55741, 79630, 111482, 278705, 557410, 1106857, 2213714, 5534285, 7747999, 11068570, 15495998, 38739995, 77479990]

約数ペア:

[(1, 77479990), (2, 38739995), (5, 15495998), (7, 11068570), (10, 7747999), (14, 5534285), (35, 2213714), (70, 1106857), (139, 557410), (278, 278705), (695, 111482), (973, 79630), (1390, 55741), (1946, 39815), (4865, 15926), (7963, 9730)]