277246144

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19963}}^1$

素因数の和:20013

約数の個数: 56

約数和(自身を含む): 649069568

約数和(自身を除く): 371823424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 13888, 19963, 39926, 79852, 139741, 159704, 279482, 319408, 558964, 618853, 638816, 1117928, 1237706, 1277632, 2235856, 2475412, 4331971, 4471712, 4950824, 8663942, 8943424, 9901648, 17327884, 19803296, 34655768, 39606592, 69311536, 138623072, 277246144]

約数ペア:

[(1, 277246144), (2, 138623072), (4, 69311536), (7, 39606592), (8, 34655768), (14, 19803296), (16, 17327884), (28, 9901648), (31, 8943424), (32, 8663942), (56, 4950824), (62, 4471712), (64, 4331971), (112, 2475412), (124, 2235856), (217, 1277632), (224, 1237706), (248, 1117928), (434, 638816), (448, 618853), (496, 558964), (868, 319408), (992, 279482), (1736, 159704), (1984, 139741), (3472, 79852), (6944, 39926), (13888, 19963)]