256757376

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{21569}}^1$

素因数の和:21617

約数の個数: 64

約数和(自身を含む): 704044800

約数和(自身を除く): 447287424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 372, 384, 496, 744, 992, 1488, 1984, 2976, 3968, 5952, 11904, 21569, 43138, 64707, 86276, 129414, 172552, 258828, 345104, 517656, 668639, 690208, 1035312, 1337278, 1380416, 2005917, 2070624, 2674556, 2760832, 4011834, 4141248, 5349112, 8023668, 8282496, 10698224, 16047336, 21396448, 32094672, 42792896, 64189344, 85585792, 128378688, 256757376]

約数ペア:

[(1, 256757376), (2, 128378688), (3, 85585792), (4, 64189344), (6, 42792896), (8, 32094672), (12, 21396448), (16, 16047336), (24, 10698224), (31, 8282496), (32, 8023668), (48, 5349112), (62, 4141248), (64, 4011834), (93, 2760832), (96, 2674556), (124, 2070624), (128, 2005917), (186, 1380416), (192, 1337278), (248, 1035312), (372, 690208), (384, 668639), (496, 517656), (744, 345104), (992, 258828), (1488, 172552), (1984, 129414), (2976, 86276), (3968, 64707), (5952, 43138), (11904, 21569)]