645344144

素因数分解:

$2^4\times {\mathrm{283}}^1\times {\mathrm{359}}^1\times {\mathrm{397}}^1$

素因数の和:1047

約数の個数: 40

約数和(自身を含む): 1261437120

約数和(自身を除く): 616092976

約数列:

[1, 2, 4, 8, 16, 283, 359, 397, 566, 718, 794, 1132, 1436, 1588, 2264, 2872, 3176, 4528, 5744, 6352, 101597, 112351, 142523, 203194, 224702, 285046, 406388, 449404, 570092, 812776, 898808, 1140184, 1625552, 1797616, 2280368, 40334009, 80668018, 161336036, 322672072, 645344144]

約数ペア:

[(1, 645344144), (2, 322672072), (4, 161336036), (8, 80668018), (16, 40334009), (283, 2280368), (359, 1797616), (397, 1625552), (566, 1140184), (718, 898808), (794, 812776), (1132, 570092), (1436, 449404), (1588, 406388), (2264, 285046), (2872, 224702), (3176, 203194), (4528, 142523), (5744, 112351), (6352, 101597)]