161880512

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{587}}^1$

素因数の和:769

約数の個数: 56

約数和(自身を含む): 334548480

約数和(自身を除く): 172667968

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 139, 248, 278, 496, 556, 587, 992, 1112, 1174, 1984, 2224, 2348, 4309, 4448, 4696, 8618, 8896, 9392, 17236, 18197, 18784, 34472, 36394, 37568, 68944, 72788, 81593, 137888, 145576, 163186, 275776, 291152, 326372, 582304, 652744, 1164608, 1305488, 2529383, 2610976, 5058766, 5221952, 10117532, 20235064, 40470128, 80940256, 161880512]

約数ペア:

[(1, 161880512), (2, 80940256), (4, 40470128), (8, 20235064), (16, 10117532), (31, 5221952), (32, 5058766), (62, 2610976), (64, 2529383), (124, 1305488), (139, 1164608), (248, 652744), (278, 582304), (496, 326372), (556, 291152), (587, 275776), (992, 163186), (1112, 145576), (1174, 137888), (1984, 81593), (2224, 72788), (2348, 68944), (4309, 37568), (4448, 36394), (4696, 34472), (8618, 18784), (8896, 18197), (9392, 17236)]