397640768

素因数分解:

$2^6\times 7^1\times {\mathrm{53}}^1\times {\mathrm{16747}}^1$

素因数の和:16819

約数の個数: 56

約数和(自身を含む): 918862272

約数和(自身を除く): 521221504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 212, 224, 371, 424, 448, 742, 848, 1484, 1696, 2968, 3392, 5936, 11872, 16747, 23744, 33494, 66988, 117229, 133976, 234458, 267952, 468916, 535904, 887591, 937832, 1071808, 1775182, 1875664, 3550364, 3751328, 6213137, 7100728, 7502656, 12426274, 14201456, 24852548, 28402912, 49705096, 56805824, 99410192, 198820384, 397640768]

約数ペア:

[(1, 397640768), (2, 198820384), (4, 99410192), (7, 56805824), (8, 49705096), (14, 28402912), (16, 24852548), (28, 14201456), (32, 12426274), (53, 7502656), (56, 7100728), (64, 6213137), (106, 3751328), (112, 3550364), (212, 1875664), (224, 1775182), (371, 1071808), (424, 937832), (448, 887591), (742, 535904), (848, 468916), (1484, 267952), (1696, 234458), (2968, 133976), (3392, 117229), (5936, 66988), (11872, 33494), (16747, 23744)]