81605904

素因数分解:

$2^4\times 3^1\times {\mathrm{107}}^1\times {\mathrm{15889}}^1$

素因数の和:16007

約数の個数: 40

約数和(自身を含む): 212798880

約数和(自身を除く): 131192976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 107, 214, 321, 428, 642, 856, 1284, 1712, 2568, 5136, 15889, 31778, 47667, 63556, 95334, 127112, 190668, 254224, 381336, 762672, 1700123, 3400246, 5100369, 6800492, 10200738, 13600984, 20401476, 27201968, 40802952, 81605904]

約数ペア:

[(1, 81605904), (2, 40802952), (3, 27201968), (4, 20401476), (6, 13600984), (8, 10200738), (12, 6800492), (16, 5100369), (24, 3400246), (48, 1700123), (107, 762672), (214, 381336), (321, 254224), (428, 190668), (642, 127112), (856, 95334), (1284, 63556), (1712, 47667), (2568, 31778), (5136, 15889)]