128623712

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18523}}^1$

素因数の和:18571

約数の個数: 48

約数和(自身を含む): 298755072

約数和(自身を除く): 170131360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3472, 6944, 18523, 37046, 74092, 129661, 148184, 259322, 296368, 518644, 574213, 592736, 1037288, 1148426, 2074576, 2296852, 4019491, 4149152, 4593704, 8038982, 9187408, 16077964, 18374816, 32155928, 64311856, 128623712]

約数ペア:

[(1, 128623712), (2, 64311856), (4, 32155928), (7, 18374816), (8, 16077964), (14, 9187408), (16, 8038982), (28, 4593704), (31, 4149152), (32, 4019491), (56, 2296852), (62, 2074576), (112, 1148426), (124, 1037288), (217, 592736), (224, 574213), (248, 518644), (434, 296368), (496, 259322), (868, 148184), (992, 129661), (1736, 74092), (3472, 37046), (6944, 18523)]