204478976

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1053

約数の個数: 80

約数和(自身を含む): 454637568

約数和(自身を除く): 250158592

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 991, 992, 1612, 1664, 1982, 1984, 3224, 3328, 3964, 3968, 6448, 6656, 7928, 7936, 12883, 12896, 15856, 15872, 25766, 25792, 30721, 31712, 51532, 51584, 61442, 63424, 103064, 103168, 122884, 126848, 206128, 206336, 245768, 253696, 399373, 412256, 491536, 507392, 798746, 824512, 983072, 1597492, 1649024, 1966144, 3194984, 3298048, 3932288, 6389968, 6596096, 7864576, 12779936, 15729152, 25559872, 51119744, 102239488, 204478976]

約数ペア:

[(1, 204478976), (2, 102239488), (4, 51119744), (8, 25559872), (13, 15729152), (16, 12779936), (26, 7864576), (31, 6596096), (32, 6389968), (52, 3932288), (62, 3298048), (64, 3194984), (104, 1966144), (124, 1649024), (128, 1597492), (208, 983072), (248, 824512), (256, 798746), (403, 507392), (416, 491536), (496, 412256), (512, 399373), (806, 253696), (832, 245768), (991, 206336), (992, 206128), (1612, 126848), (1664, 122884), (1982, 103168), (1984, 103064), (3224, 63424), (3328, 61442), (3964, 51584), (3968, 51532), (6448, 31712), (6656, 30721), (7928, 25792), (7936, 25766), (12883, 15872), (12896, 15856)]