161984512

素因数分解:

$2^{12}\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:652

約数の個数: 52

約数和(自身を含む): 329081616

約数和(自身を除く): 167097104

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 284, 512, 557, 568, 1024, 1114, 1136, 2048, 2228, 2272, 4096, 4456, 4544, 8912, 9088, 17824, 18176, 35648, 36352, 39547, 71296, 72704, 79094, 142592, 145408, 158188, 285184, 290816, 316376, 570368, 632752, 1140736, 1265504, 2281472, 2531008, 5062016, 10124032, 20248064, 40496128, 80992256, 161984512]

約数ペア:

[(1, 161984512), (2, 80992256), (4, 40496128), (8, 20248064), (16, 10124032), (32, 5062016), (64, 2531008), (71, 2281472), (128, 1265504), (142, 1140736), (256, 632752), (284, 570368), (512, 316376), (557, 290816), (568, 285184), (1024, 158188), (1114, 145408), (1136, 142592), (2048, 79094), (2228, 72704), (2272, 71296), (4096, 39547), (4456, 36352), (4544, 35648), (8912, 18176), (9088, 17824)]