208411264

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1089

約数の個数: 64

約数和(自身を含む): 437114880

約数和(自身を除く): 228703616

約数列:

[1, 2, 4, 8, 16, 31, 32, 53, 62, 64, 106, 124, 128, 212, 248, 424, 496, 848, 991, 992, 1643, 1696, 1982, 1984, 3286, 3392, 3964, 3968, 6572, 6784, 7928, 13144, 15856, 26288, 30721, 31712, 52523, 52576, 61442, 63424, 105046, 105152, 122884, 126848, 210092, 210304, 245768, 420184, 491536, 840368, 983072, 1628213, 1680736, 1966144, 3256426, 3361472, 3932288, 6512852, 6722944, 13025704, 26051408, 52102816, 104205632, 208411264]

約数ペア:

[(1, 208411264), (2, 104205632), (4, 52102816), (8, 26051408), (16, 13025704), (31, 6722944), (32, 6512852), (53, 3932288), (62, 3361472), (64, 3256426), (106, 1966144), (124, 1680736), (128, 1628213), (212, 983072), (248, 840368), (424, 491536), (496, 420184), (848, 245768), (991, 210304), (992, 210092), (1643, 126848), (1696, 122884), (1982, 105152), (1984, 105046), (3286, 63424), (3392, 61442), (3964, 52576), (3968, 52523), (6572, 31712), (6784, 30721), (7928, 26288), (13144, 15856)]