155894528

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 323156400

約数和(自身を除く): 167261872

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 67, 122, 128, 134, 149, 244, 256, 268, 298, 488, 536, 596, 976, 1072, 1192, 1952, 2144, 2384, 3904, 4087, 4288, 4768, 7808, 8174, 8576, 9089, 9536, 9983, 15616, 16348, 17152, 18178, 19072, 19966, 32696, 36356, 38144, 39932, 65392, 72712, 79864, 130784, 145424, 159728, 261568, 290848, 319456, 523136, 581696, 608963, 638912, 1046272, 1163392, 1217926, 1277824, 2326784, 2435852, 2555648, 4871704, 9743408, 19486816, 38973632, 77947264, 155894528]

約数ペア:

[(1, 155894528), (2, 77947264), (4, 38973632), (8, 19486816), (16, 9743408), (32, 4871704), (61, 2555648), (64, 2435852), (67, 2326784), (122, 1277824), (128, 1217926), (134, 1163392), (149, 1046272), (244, 638912), (256, 608963), (268, 581696), (298, 523136), (488, 319456), (536, 290848), (596, 261568), (976, 159728), (1072, 145424), (1192, 130784), (1952, 79864), (2144, 72712), (2384, 65392), (3904, 39932), (4087, 38144), (4288, 36356), (4768, 32696), (7808, 19966), (8174, 19072), (8576, 18178), (9089, 17152), (9536, 16348), (9983, 15616)]