256864384

素因数分解:

$2^7\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1013}}^1$

素因数の和:1317

約数の個数: 64

約数和(自身を含む): 587471040

約数和(自身を除く): 330606656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 283, 448, 566, 896, 1013, 1132, 1981, 2026, 2264, 3962, 4052, 4528, 7091, 7924, 8104, 9056, 14182, 15848, 16208, 18112, 28364, 31696, 32416, 36224, 56728, 63392, 64832, 113456, 126784, 129664, 226912, 253568, 286679, 453824, 573358, 907648, 1146716, 2006753, 2293432, 4013506, 4586864, 8027012, 9173728, 16054024, 18347456, 32108048, 36694912, 64216096, 128432192, 256864384]

約数ペア:

[(1, 256864384), (2, 128432192), (4, 64216096), (7, 36694912), (8, 32108048), (14, 18347456), (16, 16054024), (28, 9173728), (32, 8027012), (56, 4586864), (64, 4013506), (112, 2293432), (128, 2006753), (224, 1146716), (283, 907648), (448, 573358), (566, 453824), (896, 286679), (1013, 253568), (1132, 226912), (1981, 129664), (2026, 126784), (2264, 113456), (3962, 64832), (4052, 63392), (4528, 56728), (7091, 36224), (7924, 32416), (8104, 31696), (9056, 28364), (14182, 18112), (15848, 16208)]