261468928

素因数分解:

$2^8\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2753}}^1$

素因数の和:2829

約数の個数: 72

約数和(自身を含む): 607951008

約数和(自身を除く): 346482080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 212, 224, 256, 371, 424, 448, 742, 848, 896, 1484, 1696, 1792, 2753, 2968, 3392, 5506, 5936, 6784, 11012, 11872, 13568, 19271, 22024, 23744, 38542, 44048, 47488, 77084, 88096, 94976, 145909, 154168, 176192, 291818, 308336, 352384, 583636, 616672, 704768, 1021363, 1167272, 1233344, 2042726, 2334544, 2466688, 4085452, 4669088, 4933376, 8170904, 9338176, 16341808, 18676352, 32683616, 37352704, 65367232, 130734464, 261468928]

約数ペア:

[(1, 261468928), (2, 130734464), (4, 65367232), (7, 37352704), (8, 32683616), (14, 18676352), (16, 16341808), (28, 9338176), (32, 8170904), (53, 4933376), (56, 4669088), (64, 4085452), (106, 2466688), (112, 2334544), (128, 2042726), (212, 1233344), (224, 1167272), (256, 1021363), (371, 704768), (424, 616672), (448, 583636), (742, 352384), (848, 308336), (896, 291818), (1484, 176192), (1696, 154168), (1792, 145909), (2753, 94976), (2968, 88096), (3392, 77084), (5506, 47488), (5936, 44048), (6784, 38542), (11012, 23744), (11872, 22024), (13568, 19271)]