31643388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{631}}^1$

素因数の和:847

約数の個数: 72

約数和(自身を含む): 92019200

約数和(自身を除く): 60375812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 199, 252, 398, 597, 631, 796, 1194, 1262, 1393, 1791, 1893, 2388, 2524, 2786, 3582, 3786, 4179, 4417, 5572, 5679, 7164, 7572, 8358, 8834, 11358, 12537, 13251, 16716, 17668, 22716, 25074, 26502, 39753, 50148, 53004, 79506, 125569, 159012, 251138, 376707, 502276, 753414, 878983, 1130121, 1506828, 1757966, 2260242, 2636949, 3515932, 4520484, 5273898, 7910847, 10547796, 15821694, 31643388]

約数ペア:

[(1, 31643388), (2, 15821694), (3, 10547796), (4, 7910847), (6, 5273898), (7, 4520484), (9, 3515932), (12, 2636949), (14, 2260242), (18, 1757966), (21, 1506828), (28, 1130121), (36, 878983), (42, 753414), (63, 502276), (84, 376707), (126, 251138), (199, 159012), (252, 125569), (398, 79506), (597, 53004), (631, 50148), (796, 39753), (1194, 26502), (1262, 25074), (1393, 22716), (1791, 17668), (1893, 16716), (2388, 13251), (2524, 12537), (2786, 11358), (3582, 8834), (3786, 8358), (4179, 7572), (4417, 7164), (5572, 5679)]