209871488

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 435352320

約数和(自身を除く): 225480832

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 227, 233, 248, 454, 466, 496, 908, 932, 992, 1816, 1864, 1984, 3632, 3728, 3968, 7037, 7223, 7264, 7456, 14074, 14446, 14528, 14912, 28148, 28892, 29056, 29824, 52891, 56296, 57784, 105782, 112592, 115568, 211564, 225184, 231136, 423128, 450368, 462272, 846256, 900736, 924544, 1639621, 1692512, 3279242, 3385024, 6558484, 6770048, 13116968, 26233936, 52467872, 104935744, 209871488]

約数ペア:

[(1, 209871488), (2, 104935744), (4, 52467872), (8, 26233936), (16, 13116968), (31, 6770048), (32, 6558484), (62, 3385024), (64, 3279242), (124, 1692512), (128, 1639621), (227, 924544), (233, 900736), (248, 846256), (454, 462272), (466, 450368), (496, 423128), (908, 231136), (932, 225184), (992, 211564), (1816, 115568), (1864, 112592), (1984, 105782), (3632, 57784), (3728, 56296), (3968, 52891), (7037, 29824), (7223, 29056), (7264, 28892), (7456, 28148), (14074, 14912), (14446, 14528)]