139522816

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{17581}}^1$

素因数の和:17628

約数の個数: 36

約数和(自身を含む): 287500864

約数和(自身を除く): 147978048

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 17581, 35162, 70324, 140648, 281296, 545011, 562592, 1090022, 1125184, 2180044, 2250368, 4360088, 4500736, 8720176, 17440352, 34880704, 69761408, 139522816]

約数ペア:

[(1, 139522816), (2, 69761408), (4, 34880704), (8, 17440352), (16, 8720176), (31, 4500736), (32, 4360088), (62, 2250368), (64, 2180044), (124, 1125184), (128, 1090022), (248, 562592), (256, 545011), (496, 281296), (992, 140648), (1984, 70324), (3968, 35162), (7936, 17581)]