408957952

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1055

約数の個数: 88

約数和(自身を含む): 909719552

約数和(自身を除く): 500761600

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, 1024, 1612, 1664, 1982, 1984, 3224, 3328, 3964, 3968, 6448, 6656, 7928, 7936, 12883, 12896, 13312, 15856, 15872, 25766, 25792, 30721, 31712, 31744, 51532, 51584, 61442, 63424, 103064, 103168, 122884, 126848, 206128, 206336, 245768, 253696, 399373, 412256, 412672, 491536, 507392, 798746, 824512, 983072, 1014784, 1597492, 1649024, 1966144, 3194984, 3298048, 3932288, 6389968, 6596096, 7864576, 12779936, 13192192, 15729152, 25559872, 31458304, 51119744, 102239488, 204478976, 408957952]

約数ペア:

[(1, 408957952), (2, 204478976), (4, 102239488), (8, 51119744), (13, 31458304), (16, 25559872), (26, 15729152), (31, 13192192), (32, 12779936), (52, 7864576), (62, 6596096), (64, 6389968), (104, 3932288), (124, 3298048), (128, 3194984), (208, 1966144), (248, 1649024), (256, 1597492), (403, 1014784), (416, 983072), (496, 824512), (512, 798746), (806, 507392), (832, 491536), (991, 412672), (992, 412256), (1024, 399373), (1612, 253696), (1664, 245768), (1982, 206336), (1984, 206128), (3224, 126848), (3328, 122884), (3964, 103168), (3968, 103064), (6448, 63424), (6656, 61442), (7928, 51584), (7936, 51532), (12883, 31744), (12896, 31712), (13312, 30721), (15856, 25792), (15872, 25766)]