131401898

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 210988800

約数和(自身を除く): 79586902

約数列:

[1, 2, 23, 46, 73, 109, 146, 218, 359, 718, 1679, 2507, 3358, 5014, 7957, 8257, 15914, 16514, 26207, 39131, 52414, 78262, 183011, 366022, 602761, 900013, 1205522, 1800026, 2856563, 5713126, 65700949, 131401898]

約数ペア:

[(1, 131401898), (2, 65700949), (23, 5713126), (46, 2856563), (73, 1800026), (109, 1205522), (146, 900013), (218, 602761), (359, 366022), (718, 183011), (1679, 78262), (2507, 52414), (3358, 39131), (5014, 26207), (7957, 16514), (8257, 15914)]