31738112

素因数分解:

$2^8\times 7^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 73584000

約数和(自身を除く): 41845888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 199, 224, 256, 356, 398, 448, 623, 712, 796, 896, 1246, 1393, 1424, 1592, 1792, 2492, 2786, 2848, 3184, 4984, 5572, 5696, 6368, 9968, 11144, 11392, 12736, 17711, 19936, 22288, 22784, 25472, 35422, 39872, 44576, 50944, 70844, 79744, 89152, 123977, 141688, 159488, 178304, 247954, 283376, 356608, 495908, 566752, 991816, 1133504, 1983632, 2267008, 3967264, 4534016, 7934528, 15869056, 31738112]

約数ペア:

[(1, 31738112), (2, 15869056), (4, 7934528), (7, 4534016), (8, 3967264), (14, 2267008), (16, 1983632), (28, 1133504), (32, 991816), (56, 566752), (64, 495908), (89, 356608), (112, 283376), (128, 247954), (178, 178304), (199, 159488), (224, 141688), (256, 123977), (356, 89152), (398, 79744), (448, 70844), (623, 50944), (712, 44576), (796, 39872), (896, 35422), (1246, 25472), (1393, 22784), (1424, 22288), (1592, 19936), (1792, 17711), (2492, 12736), (2786, 11392), (2848, 11144), (3184, 9968), (4984, 6368), (5572, 5696)]