168889552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:908

約数の個数: 80

約数和(自身を含む): 376725888

約数和(自身を除く): 207836336

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 43, 46, 52, 86, 92, 104, 172, 184, 208, 299, 344, 368, 559, 598, 688, 821, 989, 1118, 1196, 1642, 1978, 2236, 2392, 3284, 3956, 4472, 4784, 6568, 7912, 8944, 10673, 12857, 13136, 15824, 18883, 21346, 25714, 35303, 37766, 42692, 51428, 70606, 75532, 85384, 102856, 141212, 151064, 170768, 205712, 245479, 282424, 302128, 458939, 490958, 564848, 811969, 917878, 981916, 1623938, 1835756, 1963832, 3247876, 3671512, 3927664, 6495752, 7343024, 10555597, 12991504, 21111194, 42222388, 84444776, 168889552]

約数ペア:

[(1, 168889552), (2, 84444776), (4, 42222388), (8, 21111194), (13, 12991504), (16, 10555597), (23, 7343024), (26, 6495752), (43, 3927664), (46, 3671512), (52, 3247876), (86, 1963832), (92, 1835756), (104, 1623938), (172, 981916), (184, 917878), (208, 811969), (299, 564848), (344, 490958), (368, 458939), (559, 302128), (598, 282424), (688, 245479), (821, 205712), (989, 170768), (1118, 151064), (1196, 141212), (1642, 102856), (1978, 85384), (2236, 75532), (2392, 70606), (3284, 51428), (3956, 42692), (4472, 37766), (4784, 35303), (6568, 25714), (7912, 21346), (8944, 18883), (10673, 15824), (12857, 13136)]