254517376

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{881}}^1$

素因数の和:993

約数の個数: 64

約数和(自身を含む): 529887960

約数和(自身を除く): 275370584

約数列:

[1, 2, 4, 8, 16, 32, 37, 61, 64, 74, 122, 128, 148, 244, 296, 488, 592, 881, 976, 1184, 1762, 1952, 2257, 2368, 3524, 3904, 4514, 4736, 7048, 7808, 9028, 14096, 18056, 28192, 32597, 36112, 53741, 56384, 65194, 72224, 107482, 112768, 130388, 144448, 214964, 260776, 288896, 429928, 521552, 859856, 1043104, 1719712, 1988417, 2086208, 3439424, 3976834, 4172416, 6878848, 7953668, 15907336, 31814672, 63629344, 127258688, 254517376]

約数ペア:

[(1, 254517376), (2, 127258688), (4, 63629344), (8, 31814672), (16, 15907336), (32, 7953668), (37, 6878848), (61, 4172416), (64, 3976834), (74, 3439424), (122, 2086208), (128, 1988417), (148, 1719712), (244, 1043104), (296, 859856), (488, 521552), (592, 429928), (881, 288896), (976, 260776), (1184, 214964), (1762, 144448), (1952, 130388), (2257, 112768), (2368, 107482), (3524, 72224), (3904, 65194), (4514, 56384), (4736, 53741), (7048, 36112), (7808, 32597), (9028, 28192), (14096, 18056)]