381602816

素因数分解:

$2^{10}\times 7^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:549

約数の個数: 88

約数和(自身を含む): 880373760

約数和(自身を除く): 498770944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 224, 256, 278, 383, 448, 512, 556, 766, 896, 973, 1024, 1112, 1532, 1792, 1946, 2224, 2681, 3064, 3584, 3892, 4448, 5362, 6128, 7168, 7784, 8896, 10724, 12256, 15568, 17792, 21448, 24512, 31136, 35584, 42896, 49024, 53237, 62272, 71168, 85792, 98048, 106474, 124544, 142336, 171584, 196096, 212948, 249088, 343168, 372659, 392192, 425896, 498176, 686336, 745318, 851792, 996352, 1372672, 1490636, 1703584, 2745344, 2981272, 3407168, 5962544, 6814336, 11925088, 13628672, 23850176, 27257344, 47700352, 54514688, 95400704, 190801408, 381602816]

約数ペア:

[(1, 381602816), (2, 190801408), (4, 95400704), (7, 54514688), (8, 47700352), (14, 27257344), (16, 23850176), (28, 13628672), (32, 11925088), (56, 6814336), (64, 5962544), (112, 3407168), (128, 2981272), (139, 2745344), (224, 1703584), (256, 1490636), (278, 1372672), (383, 996352), (448, 851792), (512, 745318), (556, 686336), (766, 498176), (896, 425896), (973, 392192), (1024, 372659), (1112, 343168), (1532, 249088), (1792, 212948), (1946, 196096), (2224, 171584), (2681, 142336), (3064, 124544), (3584, 106474), (3892, 98048), (4448, 85792), (5362, 71168), (6128, 62272), (7168, 53237), (7784, 49024), (8896, 42896), (10724, 35584), (12256, 31136), (15568, 24512), (17792, 21448)]