521502464

素因数分解:

$2^8\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1249}}^1$

素因数の和:1505

約数の個数: 72

約数和(自身を含む): 1195740000

約数和(自身を除く): 674237536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 233, 256, 448, 466, 896, 932, 1249, 1631, 1792, 1864, 2498, 3262, 3728, 4996, 6524, 7456, 8743, 9992, 13048, 14912, 17486, 19984, 26096, 29824, 34972, 39968, 52192, 59648, 69944, 79936, 104384, 139888, 159872, 208768, 279776, 291017, 319744, 417536, 559552, 582034, 1119104, 1164068, 2037119, 2238208, 2328136, 4074238, 4656272, 8148476, 9312544, 16296952, 18625088, 32593904, 37250176, 65187808, 74500352, 130375616, 260751232, 521502464]

約数ペア:

[(1, 521502464), (2, 260751232), (4, 130375616), (7, 74500352), (8, 65187808), (14, 37250176), (16, 32593904), (28, 18625088), (32, 16296952), (56, 9312544), (64, 8148476), (112, 4656272), (128, 4074238), (224, 2328136), (233, 2238208), (256, 2037119), (448, 1164068), (466, 1119104), (896, 582034), (932, 559552), (1249, 417536), (1631, 319744), (1792, 291017), (1864, 279776), (2498, 208768), (3262, 159872), (3728, 139888), (4996, 104384), (6524, 79936), (7456, 69944), (8743, 59648), (9992, 52192), (13048, 39968), (14912, 34972), (17486, 29824), (19984, 26096)]