391127744

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28163}}^1$

素因数の和:28213

約数の個数: 56

約数和(自身を含む): 915667968

約数和(自身を除く): 524540224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 13888, 28163, 56326, 112652, 197141, 225304, 394282, 450608, 788564, 873053, 901216, 1577128, 1746106, 1802432, 3154256, 3492212, 6111371, 6308512, 6984424, 12222742, 12617024, 13968848, 24445484, 27937696, 48890968, 55875392, 97781936, 195563872, 391127744]

約数ペア:

[(1, 391127744), (2, 195563872), (4, 97781936), (7, 55875392), (8, 48890968), (14, 27937696), (16, 24445484), (28, 13968848), (31, 12617024), (32, 12222742), (56, 6984424), (62, 6308512), (64, 6111371), (112, 3492212), (124, 3154256), (217, 1802432), (224, 1746106), (248, 1577128), (434, 901216), (448, 873053), (496, 788564), (868, 450608), (992, 394282), (1736, 225304), (1984, 197141), (3472, 112652), (6944, 56326), (13888, 28163)]