31949848

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 71424000

約数和(自身を除く): 39474152

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 61, 94, 122, 188, 199, 244, 329, 376, 398, 427, 488, 658, 796, 854, 1316, 1393, 1592, 1708, 2632, 2786, 2867, 3416, 5572, 5734, 9353, 11144, 11468, 12139, 18706, 20069, 22936, 24278, 37412, 40138, 48556, 65471, 74824, 80276, 84973, 97112, 130942, 160552, 169946, 261884, 339892, 523768, 570533, 679784, 1141066, 2282132, 3993731, 4564264, 7987462, 15974924, 31949848]

約数ペア:

[(1, 31949848), (2, 15974924), (4, 7987462), (7, 4564264), (8, 3993731), (14, 2282132), (28, 1141066), (47, 679784), (56, 570533), (61, 523768), (94, 339892), (122, 261884), (188, 169946), (199, 160552), (244, 130942), (329, 97112), (376, 84973), (398, 80276), (427, 74824), (488, 65471), (658, 48556), (796, 40138), (854, 37412), (1316, 24278), (1393, 22936), (1592, 20069), (1708, 18706), (2632, 12139), (2786, 11468), (2867, 11144), (3416, 9353), (5572, 5734)]