161778208

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{983}}^1$

素因数の和:1169

約数の個数: 48

約数和(自身を含む): 329797440

約数和(自身を除く): 168019232

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 139, 148, 278, 296, 556, 592, 983, 1112, 1184, 1966, 2224, 3932, 4448, 5143, 7864, 10286, 15728, 20572, 31456, 36371, 41144, 72742, 82288, 136637, 145484, 164576, 273274, 290968, 546548, 581936, 1093096, 1163872, 2186192, 4372384, 5055569, 10111138, 20222276, 40444552, 80889104, 161778208]

約数ペア:

[(1, 161778208), (2, 80889104), (4, 40444552), (8, 20222276), (16, 10111138), (32, 5055569), (37, 4372384), (74, 2186192), (139, 1163872), (148, 1093096), (278, 581936), (296, 546548), (556, 290968), (592, 273274), (983, 164576), (1112, 145484), (1184, 136637), (1966, 82288), (2224, 72742), (3932, 41144), (4448, 36371), (5143, 31456), (7864, 20572), (10286, 15728)]