261622144

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9419}}^1$

素因数の和:9471

約数の個数: 64

約数和(自身を含む): 614937600

約数和(自身を除く): 353315456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 868, 896, 992, 1736, 1984, 3472, 3968, 6944, 9419, 13888, 18838, 27776, 37676, 65933, 75352, 131866, 150704, 263732, 291989, 301408, 527464, 583978, 602816, 1054928, 1167956, 1205632, 2043923, 2109856, 2335912, 4087846, 4219712, 4671824, 8175692, 8439424, 9343648, 16351384, 18687296, 32702768, 37374592, 65405536, 130811072, 261622144]

約数ペア:

[(1, 261622144), (2, 130811072), (4, 65405536), (7, 37374592), (8, 32702768), (14, 18687296), (16, 16351384), (28, 9343648), (31, 8439424), (32, 8175692), (56, 4671824), (62, 4219712), (64, 4087846), (112, 2335912), (124, 2109856), (128, 2043923), (217, 1205632), (224, 1167956), (248, 1054928), (434, 602816), (448, 583978), (496, 527464), (868, 301408), (896, 291989), (992, 263732), (1736, 150704), (1984, 131866), (3472, 75352), (3968, 65933), (6944, 37676), (9419, 27776), (13888, 18838)]